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Genuine GMC Sierra Lash Adjuster
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12 Lash Adjusters found
GMC Sierra Valve Lifter
Part Number: 17122490$33.58 MSRP: $55.58You Save: $22.00 (40%)Ships in 1-2 Business Days
GMC Sierra Lifter Assembly, Vlv (Non Afm)
Part Number: 12698945$29.17 MSRP: $48.28You Save: $19.11 (40%)Ships in 1-2 Business DaysGMC Sierra Lifter Assembly, Vlv (Afm)
Part Number: 12698946$56.02 MSRP: $83.51You Save: $27.49 (33%)
GMC Sierra LIFTER ASM-VLV
Part Number: 12721202$73.98 MSRP: $179.14You Save: $105.16 (59%)Ships in 1-3 Business Days
GMC Sierra Valve Lifter
Part Number: 17120735$37.81 MSRP: $60.30You Save: $22.49 (38%)Ships in 1-2 Business Days
GMC Sierra Valve Lifter
Part Number: 17120060$39.33 MSRP: $65.08You Save: $25.75 (40%)Ships in 1-2 Business Days
GMC Sierra Valve Lifter
Part Number: 17120090$37.02 MSRP: $61.26You Save: $24.24 (40%)Ships in 1 Business Day
GMC Sierra Lifter Assembly, Valve
Part Number: 12670435$9.14 MSRP: $14.58You Save: $5.44 (38%)Ships in 1-2 Business Days
GMC Sierra Lash Adjuster
The GMC Sierra Lash Adjuster, by automatically removing the clearance between the cam lobe and valve train, ensures precise movement of the valves. This allows the engine to function quietly and with a low wear rate. The Lash Adjuster uses hydraulic tappet principles to direct pressurized oil into an internal piston which extends just sufficiently to take up the gap every time the cam rotates. Consequently, no manual feeler-gauge adjustments are necessary. The earlier engines applied solid versions that required regular shim changes; however, highly modern GMC applications switched to the hydraulic Lash Adjuster to reduce maintenance and cushion impacts. Later Sierra powerplants added a roller-style Lash Adjuster that has a small wheel riding on the cam. This lowers friction and makes the valve timing more efficient than a flat-face hydraulic type. Both, however, aim for the same steady valve timing. The automatic lash-taking action does not modify due to an encompass rolling contact surface which gives it a smooth high-rpm action. Consequently, GMC owners gain quieter valve train noise, Sierra drivers gain longer component life, as well as engine smoothness without regular lash checks. The Lash Adjuster is essential for optimal performance.
Each OEM GMC Sierra Lash Adjuster we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.
GMC Sierra Lash Adjuster Parts Questions & Experts Answers
- Q: How to remove the camshaft and Lash Adjuster on 4.3L V6 engine on GMC Sierra?A:Begin with taking off the camshaft by unscrewing or unbolting the Rocker Arms, push rods, Intake Manifolds, Timing Chains, cam sprocket and balance shaft drive gear; in addition, you may have to do away with such things as fan radiator and condenser. Place the lash adjusters in a labeled box and disconnect the lash adjuster retainer. A special tool can be employed together with magnet or even your fingers to extract the lash adjusters from their bores. Remove the camshaft retainer plate and use three 6-inch long, 5/16-18 bolts as a handle to remove the camshaft from block. When inspecting clean lash adjuster & cam shaft using solvent checking for wear on both of them. The journals as well as cam lobes should be checked for wear. Measure. If its damaged then it must be replaced along with bearings. To lubricate bearing journals and cam lobes with assembly lube, the camshaft will finally slide into engine during installation. Fix other parts like this: install that thrust plate for a Cam Shaft; balance shaft drive gear plus also timing chain & sprockets. Lubricate lash adjusters using clean engine oil then fix them within block. The rest of installation is opposite to that of removing these components. Cooling system should be refilled at last because we are starting again after changing an engine oil filter. Finally start engine (run) and check there are no leaks.
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