Dorman® 635-502 - OE Solutions™ Plastic Timing Chain Cover

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Replaces Original (OE) Part #:10077964, 12554555, 12554557, 89017259, 89017261, 93445880
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Product Details

OE Solutions™ Plastic Timing Chain Cover (635-502) by Dorman®. Save time and money with Dorman’s Engine Timing Cover. Many of Dorman Timing Covers include gaskets and seals for easier installation.


Color/Finish: Black
Installation Hardware Included: Yes
Item Grade: Standard Replacement
Length (In): 12.75"
Material: Plastic
Package Contents: Includes Timing Cover, Gasket, Sealant and Hardware
Width (in): 9"


  • Direct replacement for a proper fit every time
  • Corrosion-resistant for long lasting performance
  • High quality construction resists warping, cracking and porousness

Dorman Products Inc. is well-known as a leader in providing quality auto parts to the aftermarket. They have earned their reputation for excellence from over three decades of experience in providing automotive replacement parts, fasteners and service line products primarily for the automotive aftermarket. Their prestigious position stems from a unique combination of application expertise, innovative product design, and breadth of product offerings, many of which are not conveniently or economically available elsewhere.

California Residents

WARNING This product can expose you to chemicals including Butadiene, which is known to the State of California to cause cancer or birth defects or other reproductive harm.

Part Number:
OE Numbers:
10077964, 12554555, 12554557, 89017259, 89017261, 93445880


  • Hybrid battery – fleet: 12 months from the date of purchase
  • Hybrid battery – non-fleet: 36 months from the date of purchase
  • Manifold Converters: 60 months or 50,000 miles from the date of purchase
  • Heavy Duty DPF / DOC: 24 months from the date of purchase
  • Light Duty DPF / DOC: 24 months or 36,000 miles from the date of purchase
  • Heavy Duty EGR Coolers: 36 months from the date of purchase
  • Light Duty EGR Coolers: Limited Lifetime
  • All other products: lifetime

Dorman Products warrants that the product is free from defects in material and workmanship under normal use and service for the period stated above. Dorman will replace any of its products that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty becomes null and void if the damage is caused by: misuse, abuse or accident; the attachment of any unauthorized accessory; alteration to the product; improper installation; exposure to harsh weather and/or chemicals; or lack of proper maintenance. This warranty also becomes null and void if the product is opened or any sticker is tampered with, broken, or missing, or if the damage is caused by any other condition that is beyond the control of Dorman Products.

In all cases, Dorman shall not be responsible for any type of incidental, consequential, or special damages. All other warranties, including the implied warranties of fitness for a particular purpose and the implied warranty of merchantability, are excluded.

By accepting this product, you hereby waive and release any claim now or hereafter existing against Dorman Products, its employees, officers, directors, agents and customers, on account of any and all claims, demands, suits, causes of action and all legal proceedings, whether civil or criminal, damages, losses, liabilities, (including, but not limited to, strict liability in tort), obligations, penalties, judgments or fines and other sanctions.

Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

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2002 Chevy Express
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2001 Chevy Express
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2000 Chevy Express
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1999 Chevy Express
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1998 Chevy Express
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1997 Chevy Express
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1996 Chevy Express
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1996 Chevy G-Series
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1999 Chevy P30
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1998 Chevy P30
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1997 Chevy P30
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2004 Chevy S-10 Pickup
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2000 Chevy S-10 Pickup
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1999 Chevy S-10 Pickup
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1998 Chevy S-10 Pickup
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1997 Chevy S-10 Pickup
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1996 Chevy S-10 Pickup
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1995 Chevy S-10 Pickup
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2007 Chevy Silverado 1500 Classic Body Style
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2004 Chevy Silverado 1500
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2003 Chevy Silverado 1500
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2002 Chevy Silverado 1500
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2001 Chevy Silverado 1500
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2000 Chevy Silverado 1500
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1999 Chevy Silverado 1500
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1998 GMC CK Pickup
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1997 GMC CK Pickup
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1995 GMC G-Series
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2001 GMC Jimmy
2000 GMC Jimmy
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1998 GMC Jimmy
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1995 GMC Jimmy
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GMC P-Series
1999 GMC P-Series
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1998 GMC P-Series
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1997 GMC P-Series
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1996 GMC P-Series
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2000 GMC Safari
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1997 GMC Safari
1996 GMC Safari
1995 GMC Safari
GMC Savana
2007 GMC Savana
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2006 GMC Savana
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2005 GMC Savana
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2004 GMC Savana
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2003 GMC Savana
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2002 GMC Savana
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2001 GMC Savana
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2000 GMC Savana
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1999 GMC Savana
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1998 GMC Savana
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1997 GMC Savana
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1996 GMC Savana
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GMC Sierra 1500
2007 GMC Sierra 1500 Classic Body Style
  • 4.3L
2006 GMC Sierra 1500
  • 4.3L
2005 GMC Sierra 1500
  • 4.3L
2004 GMC Sierra 1500
  • 4.3L
2003 GMC Sierra 1500
  • 4.3L
2002 GMC Sierra 1500
  • 4.3L
2001 GMC Sierra 1500
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2000 GMC Sierra 1500
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1999 GMC Sierra 1500
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2002 GMC Sonoma
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2001 GMC Sonoma
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2000 GMC Sonoma
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1999 GMC Sonoma
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1996 GMC Sonoma
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Low Prices Price match guarantee
Guaranteed Fitment Always the correct part
In-House Experts We know our products
Easy Returns Quick & Hassle Free

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