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 Yukon Lash Adjuster

Lash Adjuster Lifter

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GMC Yukon Push Rods Part Number: 5232720
$14.34 MSRP: $23.93
You Save: $9.59 (41%)
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Product Specifications
- Other Name: Valve Lift; Valve Lifter; Pushrod; Valve Lifters; Lifter, Engine Valve Lifter; Lifter, Engine Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 GMC Yukon | Base, GT, SLE, SLT, Sport | 8 Cyl 5.7 L GAS
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GMC Yukon Valve Lifters Part Number: 17122490
$37.49 MSRP: $61.75
You Save: $24.26 (40%)
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Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Valve Lifter
- Replaces: 05234670, 5234670
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2011 GMC Yukon | Denali, Denali Hybrid, 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
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GMC Yukon Valve Lifters Part Number: 12698945
$30.85 MSRP: $50.82
You Save: $19.97 (40%)
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Product Specifications
- Other Name: Lifter Assembly-Valve (Non Afm); Lifter, Engine Valve Lifter; Lifter, Engine Valve
- Replaces: 12648846, 12576400
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2020 GMC Yukon | 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
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GMC Yukon Valve Lifters Part Number: 55569933
$3.06 MSRP: $5.04
You Save: $1.98 (40%)
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Product Specifications
- Other Name: Lifter Assembly-Valve; Valve Lifter; Adjuster, Engine Valve Lifter; Lifter, Engine Valve Lifter
- Replaces: 12855340
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 GMC Yukon | Denali, Denali Ultimate, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Yukon Valve Lifters Part Number: 12698946
$53.31 MSRP: $83.51
You Save: $30.20 (37%)
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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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2023 GMC Yukon | 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
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GMC Yukon Valve Lifters Part Number: 5234530
$45.83 MSRP: $75.50
You Save: $29.67 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Lift; Valve Lifter; Lifter, Engine Valve Lifter; Lifter, Engine Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1997 GMC Yukon | Base, SL, SLE, SLT, Sport | 8 Cyl 6.5 L DIESEL
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GMC Yukon Valve Lifters Part Number: 17120735
$38.49 MSRP: $60.30
You Save: $21.81 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Valve Lifter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC Yukon | Denali, SL, SLE, SLT | 8 Cyl 5.7 L GAS

GMC Yukon Lash Adjuster

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The Lash Adjuster for GMC Yukon vehicles carries the basic responsibility of raising the valve closer to the camshaft to allow the proper running of the engine and increase the longevity of the engine by reducing wearage. Its name is also tappet and is the component that translates the rotation of the camshaft into linear movements and therefore controls the opening and closing of valves. Different types of Lash Adjusters have been used in GMC Yukon vehicles in the course of the years with these being; solid type, hydraulic type and roller types. Hydraulic lifters are especially valued because of their capacity to control the clearance by the use of oil pressure, thus minimizing the necessity of manual adjustments. Roller tappets have been accepted in view of lesser friction and improved performances indicating the progressive developments in the engine realm. Selecting the right type of valve lifter therefore has very big implications on the engine performance and subsequent servicing.

GMC Yukon Lash Adjuster Parts and Q&A

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.