GM Genuine Parts Exhaust Camshaft
OE
Pack of 1

GM Genuine Parts Exhaust Camshaft

GM Part #25206537

ACDelco Part #25206537

MSRP$141.18*

GM Genuine Parts Engine Camshafts are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Rotates in relation with crankshaft to open and close intake and exhaust valves at appropriate times with piston strokes
  • Lobes on camshaft determine when and how long the valves remain open
  • Allows intake valves to open to receive air into cylinder

Pack of 1

About this product

GM Genuine Parts Engine Camshafts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These camshafts rotate in relation with the crankshaft in order to open and close the intake and exhaust valves in sync with the piston strokes. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Rotates in relation with crankshaft to open and close intake and exhaust valves at appropriate times with piston strokes
  • Lobes on camshaft determine when and how long the valves remain open
  • Allows intake valves to open to receive air into cylinder
  • Allows exhaust valves to open to release exhaust gases
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Computer Controlled CompatibleYes
ClassificationOE
Exhaust Valve Lift0.35 in / 9 mm
Valve Springs RequiredNo
MaterialTool Steel
Grade TypeStandard Replacement

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Before purchasing and installing an engine camshaft, make sure it is the correct fit for your vehicle

  • Keep oil changed to reduce friction on camshaft lobes
  • When replacing a camshaft be sure to use the correct break in lubricant
  • Keep oil level full to keep camshaft lubricated to prevent premature wear
  • Regularly inspect engine camshaft for signs of damage or wear, and replace them if signs of damage are found
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  • Loss of engine power
  • Damage to piston head if cam opens valves at wrong times
  • Cylinder miss
  • Engine clatter sound
  • Signs of metal shavings at magnetic end of oil drain plug could be potential sign of cam lobe failure
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ModelBody StyleTrimYear(s)
Encore GX2020, 2021, 2022, 2023, 2024, 2025, 2026

Frequently Asked Questions

Yes. Always consult the Vehicle Owner's Manual or an expert technician before making any repairs or adjustments.

Yes, however it is not recommended to replace your own camshafts without proper information and experience. Incorrect installation can cause damage to pistons, timing chains, and other components. For best results, consult a licensed technician.

Yes, old lifters should be replaced when you replace your camshaft. Old lifters will not mate with new camshaft which can cause the cam lobe or lifter to fail.

Yes, supercharged engines require different camshafts. Check proper information for f

No, roller lifters cannot be used on a flat tappet camshaft as the lobes on the camshaft are too steep for the roller lifter to follow.