Our aftermarket manifolds are some of the highest quality replacements on the market!

Specifications:

  • LH (Driver Side)
  • 3 bolt flange
  • Replaces dealer part numbers: 343787, 3994045, 6272279, 12551444
  • Direct replacement
  • Corrosion resistant
  • Strengthened and redesigned in the vulnerable areas of failure
  • Built to strict quality control standards

 

 

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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Vehicle Fit

Year Make Model Description
1970-1972Chevy C10 Truck Chevy C10 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1970-1972Chevy C10 Truck Chevy C10 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1973-1986Chevy C10 Truck Chevy C10 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972Chevy C20 Truck Chevy C20 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972Chevy C20 Truck Chevy C20 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986Chevy C20 Truck Chevy C20 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972Chevy C30 Truck Chevy C30 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1970-1972Chevy C30 Truck Chevy C30 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1973-1986Chevy C30 Truck Chevy C30 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1973-1986Chevy K10 Truck Chevy K10 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972Chevy K20 Truck Chevy K20 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1970-1972Chevy K20 Truck Chevy K20 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1973-1986Chevy K20 Truck Chevy K20 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972Chevy K30 Truck Chevy K30 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1970-1972Chevy K30 Truck Chevy K30 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1973-1986Chevy K30 Truck Chevy K30 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972Chevy Suburban C10 Chevy Suburban C10 Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972Chevy Suburban C10 Chevy Suburban C10 Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986Chevy Suburban C10 Chevy Suburban C10 Exhaust Manifold V8 7.4L Driver Side
1970-1972Chevy Suburban C20 Chevy Suburban C20 Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972Chevy Suburban C20 Chevy Suburban C20 Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986Chevy Suburban C20 Chevy Suburban C20 Exhaust Manifold V8 7.4L Driver Side
1970-1972Chevy Suburban K10 Chevy Suburban K10 Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972Chevy Suburban K10 Chevy Suburban K10 Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986Chevy Suburban K10 Chevy Suburban K10 Exhaust Manifold V8 7.4L Driver Side
1970-1972Chevy Suburban K20 Chevy Suburban K20 Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972Chevy Suburban K20 Chevy Suburban K20 Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986Chevy Suburban K20 Chevy Suburban K20 Exhaust Manifold V8 7.4L Driver Side
1973-1987Chevy Van - P Series Forward Control Chevy Van - P Series Forward Control Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972GMC C1500 Truck GMC C1500 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972GMC C1500 Truck GMC C1500 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986GMC C1500 Truck GMC C1500 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972GMC C2500 Truck GMC C2500 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972GMC C2500 Truck GMC C2500 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986GMC C2500 Truck GMC C2500 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972GMC C3500 Truck GMC C3500 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1970-1972GMC C3500 Truck GMC C3500 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1973-1986GMC C3500 Truck GMC C3500 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972GMC K1500 Truck GMC K1500 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972GMC K1500 Truck GMC K1500 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986GMC K1500 Truck GMC K1500 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972GMC K2500 Truck GMC K2500 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972GMC K2500 Truck GMC K2500 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986GMC K2500 Truck GMC K2500 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972GMC K3500 Truck GMC K3500 Truck Exhaust Manifold V8 6.5L 400ci Driver Side
1970-1972GMC K3500 Truck GMC K3500 Truck Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986GMC K3500 Truck GMC K3500 Truck Exhaust Manifold V8 7.4L 454ci Driver Side
1970-1972GMC Suburban C1500 GMC Suburban C1500 Exhaust Manifold V8 6.6L 402ci Driver Side
1970-1972GMC Suburban C2500 GMC Suburban C2500 Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986GMC Suburban C2500 GMC Suburban C2500 Exhaust Manifold V8 7.4L Driver Side
1970-1972GMC Suburban K1500 GMC Suburban K1500 Exhaust Manifold V8 6.6L 402ci Driver Side
1970-1972GMC Suburban K2500 GMC Suburban K2500 Exhaust Manifold V8 6.6L 402ci Driver Side
1973-1986GMC Suburban K2500 GMC Suburban K2500 Exhaust Manifold V8 7.4L Driver Side
1973-1987GMC Van - P Series Forward Control GMC Van - P Series Forward Control Exhaust Manifold V8 7.4L 454ci Driver Side

This part replaces:

  • Hollander 327-1364L
  • Dorman 674-159
Part #: 1AEEM00031


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout