Replaces

Timing Chain Cover with Gasket Dorman 635-509 - 1AETC00032

This timing cover is a new, aftermarket replacement part! It is built to replace the cracked or damaged original cover exactly!

Specifications:

  • Stamped steel construction
  • Gasket included
  • Replaces dealer part number: 12523974
  • Direct bolt on replacement
    • Installs & fits just like the original
  • New, not refurbished
  • Fits the following GM engines as listed per application:
    • V8 4.4L
    • V8 5.0L
    • V8 5.7L

This timing cover is a great replacement and offers good cost savings over the dealer unit!

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Browse 2 questions Browse 2 questions and 2 answers
does it come with the bottom seal ?
Emilio C on Aug 14, 2015
BEST ANSWER: Yes
what is the gasket made of ?
Emilio C on Aug 14, 2015
BEST ANSWER: Fiber

Vehicle Fit

Year Make Model Description
1991Buick Roadmaster Buick Roadmaster Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1992-1993Buick Roadmaster Buick Roadmaster Timing Chain Cover with Gasket V8 5.7L Dorman 635-509
1990-1992Cadillac Brougham Cadillac Brougham Timing Chain Cover with Gasket V8 5.7L Dorman 635-509
1991-1992Cadillac Brougham Cadillac Brougham Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1993Cadillac Fleetwood Cadillac Fleetwood Timing Chain Cover with Gasket V8 5.7L Dorman 635-509
1985-1987Chevy Blazer Full Size Chevy Blazer Full Size Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986Chevy C10 Truck Chevy C10 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986Chevy C20 Truck Chevy C20 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1986Chevy C30 Truck Chevy C30 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982-1987Chevy Camaro Chevy Camaro Timing Chain Cover with Gasket V8 5.0L (8th Vin Digit H) Dorman 635-509
1982-1983Chevy Camaro Chevy Camaro Timing Chain Cover with Gasket V8 5.0L (8th Vin Digit 7) Dorman 635-509
1984-1986Chevy Camaro Chevy Camaro Timing Chain Cover with Gasket V8 5.0L (8th Vin Digit G) Dorman 635-509
1982-1993Chevy Caprice Chevy Caprice Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982Chevy Caprice Chevy Caprice Timing Chain Cover with Gasket V8 4.4L Dorman 635-509
1991-1993Chevy Caprice Chevy Caprice Timing Chain Cover with Gasket V8 5.7L Dorman 635-509
1982Chevy El Camino Chevy El Camino Timing Chain Cover with Gasket V8 4.4L Dorman 635-509
1982-1987Chevy El Camino Chevy El Camino Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982-1985Chevy Impala Chevy Impala Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982Chevy Impala Chevy Impala Timing Chain Cover with Gasket V8 4.4L Dorman 635-509
1985-1986Chevy K10 Truck Chevy K10 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985Chevy K20 Truck Chevy K20 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982-1983Chevy Malibu Chevy Malibu Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982Chevy Malibu Chevy Malibu Timing Chain Cover with Gasket V8 4.4L Dorman 635-509
1982-1988Chevy Monte Carlo Chevy Monte Carlo Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982Chevy Monte Carlo Chevy Monte Carlo Timing Chain Cover with Gasket V8 4.4L Dorman 635-509
1987Chevy R1500 Truck Chevy R1500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987Chevy R2500 Truck Chevy R2500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986Chevy Suburban C10 Chevy Suburban C10 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986Chevy Suburban C20 Chevy Suburban C20 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986Chevy Suburban K10 Chevy Suburban K10 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986Chevy Suburban K20 Chevy Suburban K20 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987Chevy Suburban R10 Chevy Suburban R10 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987Chevy V1500 Truck Chevy V1500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987Chevy V2500 Truck Chevy V2500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986GMC C1500 Truck GMC C1500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986GMC C2500 Truck GMC C2500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1986GMC C3500 Truck GMC C3500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1987GMC Jimmy Full Size GMC Jimmy Full Size Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986GMC K1500 Truck GMC K1500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987GMC R1500 Truck GMC R1500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987GMC R2500 Truck GMC R2500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986GMC Suburban C1500 GMC Suburban C1500 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1985-1986GMC Suburban K1500 GMC Suburban K1500 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987GMC Suburban R1500 GMC Suburban R1500 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987GMC Suburban V1500 GMC Suburban V1500 Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1987GMC V1500 Truck GMC V1500 Truck Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982Oldsmobile Custom Cruiser Olds Custom Cruiser Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1991-1992Oldsmobile Custom Cruiser Olds Custom Cruiser Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1992Oldsmobile Custom Cruiser Olds Custom Cruiser Timing Chain Cover with Gasket V8 5.7L Dorman 635-509
1983-1986Pontiac Bonneville Pontiac Bonneville Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1982-1987Pontiac Firebird Pontiac Firebird Timing Chain Cover with Gasket V8 5.0L (8th Vin Digit H) Dorman 635-509
1982-1983Pontiac Firebird Pontiac Firebird Timing Chain Cover with Gasket V8 5.0L (8th Vin Digit 7) Dorman 635-509
1983Pontiac Firebird Pontiac Firebird Timing Chain Cover with Gasket V8 5.0L (8th Vin Digit S) Dorman 635-509
1984-1986Pontiac Firebird Pontiac Firebird Timing Chain Cover with Gasket V8 5.0L (8th Vin Digit G) Dorman 635-509
1983-1987Pontiac Grand Prix Pontiac Grand Prix Timing Chain Cover with Gasket V8 5.0L Dorman 635-509
1983-1986Pontiac Parisienne Pontiac Parisienne Timing Chain Cover with Gasket V8 5.0L Dorman 635-509

This part replaces:

  • Hollander 308-00131
  • OE # 12523974
  • Dorman 635-509
Only 1 left in stock
Part #: 1AETC00032


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Dorman
Brand #: 635-509