How to replace the Lash Adjuster on the left side on GMC Acadia?

Start by removing the appropriate Camshaft(s) then rockers and finally lash adjusters on the left-hand side for Lash Adjuster replacement. Maintenance professionals should clean all components including camshafts, rocker arms, and lash adjusters before determining repair or replacement needs. Start with Lash Adjuster installation followed by installing rocker arms before fixing the needed Camshaft(s).

How to replace the Lash Adjusters on GMC Sierra 1500?

To replace the valve lifters, first, one should collect the tools: valve lifter remover (J 3049-A). Start by taking off the Intake Manifold and the pushrods while ensuring that the components are seated in a rack to ensure retention for reassembly. Next, unscrew the bolts and the lifter pushrod guide and position the valve lifters in rack upright so that the oil will remain inside. If there are any stuck valve lifters because of gum or varnish deposit in it, use valve lifter remover (J 3049-A) to remove them. Clean the valve lifter bores with a cleaning solvent and shop towel and check them for excessive wear or scoring which may require replacing the engine block. Also inspect the Camshaft for wear or damage removing the Camshaft for further inspection if needed. Replace the lifters as necessary. When re-installing new lifters, apply lubricant to the lifter rollers, and if using lifters for parts that they were used in initially, they were used in their original positions. Go on to install the lifters, then the lifter pushrod guides, ensuring the bolts are torqued to 16 n.m (12 lb ft), then install the pushrods and lastly the Intake Manifold. In new lifters, it is typical for engines to generate a little ticking sound when starting it for the first time; there should be some noise-lessening after slightly increasing the engine rpm to increase oil pressure.

How to replace the Lash Adjusters on GMC Yukon?

The process starts with removing both the Cylinder Head and gasket before proceeding with Lash Adjuster replacement. First remove the Lash Adjuster guide bolts (211) then extract the Lash Adjuster guides (210) and adjusters while carefully memorizing the original guide positioning because the notched section needs to align with the engine block's locating tab. Next proceed to extract lash adjusters (209) from guide (210) before marking or organizing replacement parts. The clean-up and inspection of lash adjusters should happen when needed. Reinstalling requires application of clean engine oil on both lash adjusters (209) and engine block Lash Adjuster bores before putting lash adjusters into lifter guides (210). When seating the lash adjusters, position the flat areas on the adjuster tops against the flat areas in the adjuster guide bores before pushing the adjusters fully into position. The engine block gets its lash adjusters and guide (210) installation following fastener caution rules while the guide bolts receive a 12 nm (106 lb in) torque specification. Reinstall the Cylinder Head while also installing the gasket.

OEM GMC Lash Adjuster

Lash Adjuster Lifter

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GMC Push Rods Part Number: 5232720
$14.34 MSRP: $23.93
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Product Specifications
- Other Name: Valve Lift; Valve Lifter; Pushrod; Valve Lifters; Lifter, Engine Valve Lifter; Lifter, Engine Valve
Fits the following GMC Models:
- C1500 | 1988-1995, 1984-1986 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C1500 Suburban | 1992-1995, 1984-1986 | Base, High Sierra, Sierra Classic, SLE, SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C2500 | 1988-1995, 1984-1986 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1992-1995, 1984-1986 | Base, High Sierra, Sierra Classic, SLE, SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C3500 | 1988-1995, 1984-1986 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- Caballero | 1984-1987 | Amarillo, Base, Diablo | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- G1500 | 1984-1995 | Rally, Rally Custom, Rally STX, Vandura | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- G2500 | 1984-1995 | Rally, Rally Custom, Rally STX, Vandura | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- G3500 | 1984-1996 | Magnavan, Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura, Vandura Special | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- Jimmy | 1984-1991 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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GMC Valve Lifters Part Number: 17122490
$37.49 MSRP: $61.75
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Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Valve Lifter
- Replaces: 05234670, 5234670
Fits the following GMC Models:
- C1500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS
- C2500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- Canyon | 2009 | SLE, SLT | 8 Cyl 5.3 L GAS
- Envoy | 2005-2009 | Denali | 8 Cyl 5.3 L GAS
- Envoy XL | 2003-2006 | Denali, SLE, SLT | 8 Cyl 5.3 L GAS
- Envoy XUV | 2004-2005 | SLE, SLT | 8 Cyl 5.3 L GAS
- G1500 | 1992-1995 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
- G2500 | 1992-1995 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
- G3500 | 1992-1996 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 6 Cyl 4.3 L GAS
- Jimmy | 1992-1995 | Base, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
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GMC Valve Lifters Part Number: 12698945
$30.85 MSRP: $50.82
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Product Specifications
- Other Name: Lifter Assembly-Valve (Non Afm); Lifter, Engine Valve Lifter; Lifter, Engine Valve
- Replaces: 12648846, 12576400
Fits the following GMC Models:
- Canyon | 2010-2012 | SLE, SLT | 8 Cyl 5.3 L GAS
- Savana 1500 | 2011-2014 | Base, LS, LT | 8 Cyl 5.3 L FLEX
- Savana 2500 | 2011-2023 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
- Savana 3500 | 2011-2023 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
- Sierra 1500 | 2012-2023 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2011-2023 | AT4, Base, Denali, Pro, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS
- Sierra 3500 HD | 2011-2023 | AT4, Base, Denali, Pro, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS
- Yukon | 2012-2020 | Denali, Denali Hybrid, Hybrid, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL | 2015-2020 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL 1500 | 2012-2014 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 6.2 L FLEX
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GMC Valve Lifters Part Number: 12690246
$6.25 MSRP: $9.79
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Product Specifications
- Other Name: Adjuster Assembly-Dual Feed Hydraulic Valve Lash; Valve Lifter; Adjuster, Engine Valve Lifter
- Replaces: 12640506, 12659430
Fits the following GMC Models:
- Acadia | 2017-2023 | AT4, Denali, SLE, SLT | 6 Cyl 3.6 L GAS
- Canyon | 2015-2022 | All Terrain, AT4, Base, Denali, Elevation, Elevation Standard, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Valve Lifters Part Number: 97188458
$42.67 MSRP: $70.30
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Product Specifications
- Other Name: Lifter Assembly, Valve
- Replaced by: 97325546
Fits the following GMC Models:
- Savana 2500 | 2006-2016 | Base | 8 Cyl 6.6 L DIESEL
- Savana 3500 | 2006-2016 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
- Sierra 2500 HD | 2001-2016 | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
- Sierra 2500 HD Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 | 2001-2006 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2007-2016 | Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Valve Lifters Part Number: 12663277
$2.74 MSRP: $4.52
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Product Specifications
- Other Name: Adjuster-Hydraulic Valve Lash; Valve Lifter; Adjuster, Engine Valve Lifter; Adjuster, Engine Valve
Fits the following GMC Models:
- Acadia | 2020-2023 | Denali, SLE, SLT | 4 Cyl 2.0 L GAS
- Canyon | 2023 | AT4, AT4X, Denali, Elevation | 4 Cyl 2.7 L GAS
- Sierra 1500 | 2019-2023 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Valve Lifters Part Number: 5234212
$11.65 MSRP: $19.07
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Product Specifications
- Other Name: Lifter, Valve; Valve Lifter; Lifter, Engine Valve Lifter; Lifter, Engine Valve
Fits the following GMC Models:
- S15 | 1984-1990 | Base, EL, Gypsy, High Sierra, Sierra Classic | 6 Cyl 2.8 L GAS
- S15 Jimmy | 1984-1989 | Base, Gypsy, High Sierra, Sierra Classic, Timberline | 6 Cyl 2.8 L GAS
- Sonoma | 1991-1993 | Base, SLE, SLS | 6 Cyl 2.8 L GAS
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GMC Valve Lifters Part Number: 55569933
$3.06 MSRP: $5.04
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Product Specifications
- Other Name: Lifter Assembly-Valve; Valve Lifter; Adjuster, Engine Valve Lifter; Lifter, Engine Valve Lifter
- Replaces: 12855340
Fits the following GMC Models:
- Sierra 1500 | 2020-2023 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
- Terrain | 2018-2019 | SLE, SLT | 4 Cyl 1.6 L DIESEL
- Yukon | 2021-2023 | Denali, Denali Ultimate, SLE, SLT | 6 Cyl 3.0 L DIESEL
- Yukon XL | 2021-2023 | Denali, Denali Ultimate, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Valve Lifters Part Number: 12698946
$53.31 MSRP: $83.51
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Product Specifications
- Other Name: Lifter Assembly-Valve (Afm); Lifter, Engine Valve Lifter
- Replaced by: 12740071
- Replaces: 12639516, 12680871, 12571595, 12632143, 12619820, 12645725, 12569256
Fits the following GMC Models:
- Envoy | 2006-2009 | Denali | 8 Cyl 5.3 L GAS
- Envoy XL | 2006 | Denali | 8 Cyl 5.3 L GAS
- Sierra 1500 | 2007-2023 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Hybrid, Pro, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2007-2010 | SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Sierra 3500 HD | 2007-2010 | SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Yukon | 2007-2023 | AT4, Denali, Denali Hybrid, Denali Ultimate, Hybrid, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL | 2015-2023 | AT4, Denali, Denali Ultimate, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL 1500 | 2007-2014 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL 2500 | 2007-2013 | SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Valve Lifters Part Number: 5234890
$43.91 MSRP: $72.34
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Product Specifications
- Other Name: Lifter, Valve; Valve Lifter; Lifter, Engine Valve Lifter
Fits the following GMC Models:
- C1500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- C2500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- G1500 | 1987-1991 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
- G2500 | 1987-1991 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
- G3500 | 1987-1991 | Vandura, Vandura Special | 6 Cyl 4.3 L GAS
- K1500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- K2500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- R1500 | 1987 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS
- R2500 | 1987 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS
- S15 | 1988-1990 | Base, Gypsy, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS
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GMC Valve Lifters Part Number: 5234530
$45.83 MSRP: $75.50
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Product Specifications
- Other Name: Valve Lift; Valve Lifter; Lifter, Engine Valve Lifter; Lifter, Engine Valve
Fits the following GMC Models:
- C1500 | 1988-1997, 1984-1986 | Base, High Sierra, Sierra, Sierra Classic, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- C1500 Suburban | 1995-1999, 1984-1986 | Base, High Sierra, Sierra Classic, SLE, SLT | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- C2500 | 1988-2000, 1984-1986 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- C2500 Suburban | 1994-1999, 1984-1986 | Base, High Sierra, Sierra Classic, SLE, SLT | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- C3500 | 1988-2000, 1984-1986 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- Caballero | 1984 | Amarillo, Base, Diablo | 8 Cyl 5.7 L DIESEL
- G2500 | 1984-1995 | Rally, Rally Custom, Rally STX, Vandura | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- G3500 | 1984-1996 | Magnavan, Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura, Vandura Special | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- Jimmy | 1984-1991 | Base, High Sierra, Sierra Classic | 8 Cyl 6.2 L DIESEL
- K1500 | 1988-1998, 1984-1986 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
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GMC Valve Lifters Part Number: 5234200
$13.37 MSRP: $21.24
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Product Specifications
- Other Name: Valve Lift; Valve Lifter; Lifter, Engine Valve Lifter; Lifter, Engine Valve
Fits the following GMC Models:
- C2500 | 1992-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
- C2500 Suburban | 1992-1995 | Base, SLE, SLT | 8 Cyl 7.4 L GAS
- C3500 | 1992-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
- G3500 | 1992-1996 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 8 Cyl 7.4 L GAS
- K2500 | 1992-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
- K2500 Suburban | 1992-1995 | Base, SLE, SLT | 8 Cyl 7.4 L GAS
- K3500 | 1992-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
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GMC Valve Lifters Part Number: 17120735
$38.49 MSRP: $60.30
You Save: $21.81 (37%)
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Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Valve Lifter
Fits the following GMC Models:
- C1500 | 1996-1999 | Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C1500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- C2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- C2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- C3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- K1500 | 1996-1999 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- K1500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- K2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- K2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- K3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L GAS
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GMC Valve Lifters Part Number: 17120090
$37.19 MSRP: $61.26
You Save: $24.07 (40%)
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Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Valve Lifter
Fits the following GMC Models:
- C1500 | 1996-1998 | Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS
- Jimmy | 1996-2001 | Base, Diamond Edition, Envoy, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
- K1500 | 1996-1998 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS
- S15 | 1985-1990 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 2.5 L GAS
- S15 Jimmy | 1985-1988 | Base, Gypsy, High Sierra, Sierra Classic, Timberline | 4 Cyl 2.5 L GAS
- Safari | 1996-2005, 1985-1990 | Base, SL, SLE, SLT, SLX | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
- Savana 1500 | 1996-2006 | Base, LS, LT, SLE, SLT | 6 Cyl 4.3 L GAS
- Savana 2500 | 1996-2006 | Base, SLE, SLT | 6 Cyl 4.3 L GAS
- Savana 3500 | 2000-2002, 1997-1998 | Base, SLE, SLT | 6 Cyl 4.3 L GAS
- Sierra 1500 | 1999-2004 | Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS
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GMC Valve Lifters Part Number: 17120070
$21.96 MSRP: $34.39
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Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Valve Lifter
- Replaces: 17102014
Fits the following GMC Models:
- Sonoma | 1994-2003 | SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS
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GMC Valve Lifters Part Number: 17120060
$39.51 MSRP: $65.08
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Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Lifter, Engine Valve; Valve Lifter
- Replaced by: 12722012
Fits the following GMC Models:
- C2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
- C2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 7.4 L GAS
- C3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
- K2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
- K2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 7.4 L GAS
- K3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
- Savana 3500 | 1996-2002 | Base, SLE, SLT | 8 Cyl 7.4 L GAS, 8 Cyl 8.1 L GAS
- Sierra 2500 HD | 2001-2006 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
- Sierra 2500 HD Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
- Sierra 3500 | 2001-2006 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
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GMC Valve Lifters, Green Line Part Number: 12686787
$14.33 MSRP: $23.63
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Product Specifications
- Other Name: Adjuster Assembly-Hydraulic Valve Lash; Filler Cap O-Ring; Adjuster, Engine Valve Lifter; Adjuster, Engine Valve
- Replaces: 12572638, 24100005
Fits the following GMC Models:
- Acadia | 2007-2023 | AT4, Denali, SL, SLE, SLT | 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
- Acadia Limited | 2017 | Base | 6 Cyl 3.6 L GAS
- Canyon | 2015-2022, 2004-2012 | All Terrain, AT4, Base, Denali, Elevation, Elevation Standard, SL, SLE, SLT, WT, Z71 Fleet, Z71 SL, Z71 SLE, Z85 SL, Z85 SLE | 4 Cyl 2.5 L GAS, 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS, 6 Cyl 3.6 L GAS
- Terrain | 2010-2023 | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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GMC Valve Lifters Part Number: 12670435
$9.18 MSRP: $14.58
You Save: $5.40 (38%)
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Product Specifications
- Other Name: Lifter Assembly-Valve; Valve Lifter; Lifter, Engine Valve Lifter; Lifter, Engine Valve
Fits the following GMC Models:
- Sierra 2500 HD | 2017-2023 | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2017-2023 | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
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GMC Valve Lifters Part Number: 5234485
Product Specifications
- Other Name: Lifter, Valve; Valve Lifter; Lifter, Engine Valve Lifter
Fits the following GMC Models:
- Caballero | 1984 | Amarillo, Base, Diablo | 6 Cyl 3.8 L GAS
View related parts
GMC Valve Lifters Part Number: 5234305
Product Specifications
- Other Name: Lifter Assembly-Valve; Valve Lifter; Lifter, Engine Valve Lifter
Fits the following GMC Models:
- S15 | 1984 | Base, High Sierra, Sierra Classic | 4 Cyl 2.0 L GAS
- S15 Jimmy | 1984 | Base, Gypsy, Sierra Classic | 4 Cyl 2.0 L GAS

GMC Lash Adjuster

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GMC Lash Adjuster Parts Questions & Experts Answers

Valve Lifters, Green Line
12686787
Q: How to replace the Lash Adjuster on the left side on GMC Acadia?
A:
Start by removing the appropriate Camshaft(s) then rockers and finally lash adjusters on the left-hand side for Lash Adjuster replacement. Maintenance professionals should clean all components including camshafts, rocker arms, and lash adjusters before determining repair or replacement needs. Start with Lash Adjuster installation followed by installing rocker arms before fixing the needed Camshaft(s).
Valve Lifters
12698946
Q: How to replace the Lash Adjusters on GMC Sierra 1500?
A:
To replace the valve lifters, first, one should collect the tools: valve lifter remover (J 3049-A). Start by taking off the Intake Manifold and the pushrods while ensuring that the components are seated in a rack to ensure retention for reassembly. Next, unscrew the bolts and the lifter pushrod guide and position the valve lifters in rack upright so that the oil will remain inside. If there are any stuck valve lifters because of gum or varnish deposit in it, use valve lifter remover (J 3049-A) to remove them. Clean the valve lifter bores with a cleaning solvent and shop towel and check them for excessive wear or scoring which may require replacing the engine block. Also inspect the Camshaft for wear or damage removing the Camshaft for further inspection if needed. Replace the lifters as necessary. When re-installing new lifters, apply lubricant to the lifter rollers, and if using lifters for parts that they were used in initially, they were used in their original positions. Go on to install the lifters, then the lifter pushrod guides, ensuring the bolts are torqued to 16 n.m (12 lb ft), then install the pushrods and lastly the Intake Manifold. In new lifters, it is typical for engines to generate a little ticking sound when starting it for the first time; there should be some noise-lessening after slightly increasing the engine rpm to increase oil pressure.
Valve Lifters
17122490
Q: How to replace the Lash Adjusters on GMC Yukon?
A:
The process starts with removing both the Cylinder Head and gasket before proceeding with Lash Adjuster replacement. First remove the Lash Adjuster guide bolts (211) then extract the Lash Adjuster guides (210) and adjusters while carefully memorizing the original guide positioning because the notched section needs to align with the engine block's locating tab. Next proceed to extract lash adjusters (209) from guide (210) before marking or organizing replacement parts. The clean-up and inspection of lash adjusters should happen when needed. Reinstalling requires application of clean engine oil on both lash adjusters (209) and engine block Lash Adjuster bores before putting lash adjusters into lifter guides (210). When seating the lash adjusters, position the flat areas on the adjuster tops against the flat areas in the adjuster guide bores before pushing the adjusters fully into position. The engine block gets its lash adjusters and guide (210) installation following fastener caution rules while the guide bolts receive a 12 nm (106 lb in) torque specification. Reinstall the Cylinder Head while also installing the gasket.