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. Please keep your invoice for proof of this warranty.

There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
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

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

Ships Same Day for orders placed by 4 P.M. ET

Dorman
Brand #: 635-509