How to replace the Lash Adjuster in the LH6, LMG, LY5, and L76 engines on GMC Yukon?

Replacement of lash adjusters (209, 219) in lh6, lmg, ly5 and l76 requires removal of both the Cylinder Head and gasket prior to continuation. First remove the Lash Adjuster guide bolts (211) with Lash Adjuster guides (210) and adjusters while recording guide positioning since the guide has a notched area that corresponds with the locating tab on the engine block. Move the lash adjusters from their position on the guide while carefully keeping the active fuel management adjuster's notched area in line with the guide's raised surface area. The components need to be organized for their original locations while the lash adjusters require cleaning and inspection for needed repairs. Clean engine oil should be used both to lubricate the lash adjusters and engine block Lash Adjuster bores before inserting the adjusters into their guides while maintaining correct alignments between the flat areas and notches. Install the lash adjusters with their guide (210) to the engine block before tightening the Lash Adjuster guide bolts (211) to 12 n.m (106 lb in). Seal the repair by reinstalling the Cylinder Head and gasket.

OEM GMC Yukon Lash Adjuster

Lash Adjuster Lifter

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GMC Yukon Valve Lifters
Part Number: 17122490
$38.65 MSRP: $60.54
You Save: $21.89 (37%)
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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
$31.81 MSRP: $49.82
You Save: $18.01 (37%)
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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
$3.11 MSRP: $4.93
You Save: $1.82 (37%)
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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
$52.27 MSRP: $81.88
You Save: $29.61 (37%)
ADD TO CART
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
$48.19 MSRP: $75.50
You Save: $27.31 (37%)
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
$37.74 MSRP: $59.12
You Save: $21.38 (37%)
Ships in 1-2 Business Days
ADD TO CART
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
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GMC Yukon Push Rods
Part Number: 5232720
$15.30 MSRP: $23.93
You Save: $8.63 (37%)
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

GMC Yukon Lash Adjuster

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GMC Yukon Lash Adjuster Parts Questions & Experts Answers

Valve Lifters
17122490
Q: How to replace the Lash Adjuster in the LH6, LMG, LY5, and L76 engines on GMC Yukon?
A: Replacement of lash adjusters (209, 219) in lh6, lmg, ly5 and l76 requires removal of both the Cylinder Head and gasket prior to continuation. First remove the Lash Adjuster guide bolts (211) with Lash Adjuster guides (210) and adjusters while recording guide positioning since the guide has a notched area that corresponds with the locating tab on the engine block. Move the lash adjusters from their position on the guide while carefully keeping the active fuel management adjuster's notched area in line with the guide's raised surface area. The components need to be organized for their original locations while the lash adjusters require cleaning and inspection for needed repairs. Clean engine oil should be used both to lubricate the lash adjusters and engine block Lash Adjuster bores before inserting the adjusters into their guides while maintaining correct alignments between the flat areas and notches. Install the lash adjusters with their guide (210) to the engine block before tightening the Lash Adjuster guide bolts (211) to 12 n.m (106 lb in). Seal the repair by reinstalling the Cylinder Head and gasket.