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1981 Buick Riviera Engine Parts

Save up to 40% on original replacement 1981 Buick Riviera maintenance and repair parts. Over 1,000 high-quality, direct-fit parts for a 1981 Buick Riviera, offered by well-known brands such as DORMAN, BWD, SEALED POWER. Find Brakes, Engine, Suspension, and many more car parts with our easy-to-use online catalogue.
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1981 buick riviera
$ 2.09
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Quantity Required: 1
1981 buick riviera
$ 2.09
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Quantity Required: 1
1981 buick riviera
$ 10.15
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Rubber one-piece timing cover seal; Quantity Required: 1
1981 buick riviera
$ 10.15
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); Rubber one-piece timing cover seal; Quantity Required: 1
1981 buick riviera
$ 11.43
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Use: Timing Cover; Use w/installation tool; Quantity Required: 1
1981 buick riviera
$ 52.07
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Use: Timing Cover; Quantity Required: 1
1981 buick riviera
$4.33
$ 2.00
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); 5 1/32" ID; Quantity Required: 1
1981 buick riviera
$4.33
$ 2.00
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); 5 1/32" ID; Quantity Required: 1
1981 buick riviera
$4.33
$ 2.00
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); 5 1/32" ID; Quantity Required: 1
1981 buick riviera
$4.33
$ 2.00
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); 5 1/32" ID; Quantity Required: 1
1981 buick riviera
$4.12
$ 1.91
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Quantity Required: 1
1981 buick riviera
$4.12
$ 1.91
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); Quantity Required: 1
1981 buick riviera
$0.91
$ 0.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Quantity Required: 1
1981 buick riviera
$0.91
$ 0.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); Quantity Required: 1
1981 buick riviera
$0.91
$ 0.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Quantity Required: 1
1981 buick riviera
$0.91
$ 0.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Quantity Required: 1
1981 buick riviera
$ 23.24
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Quantity Required: 2
1981 buick riviera
$ 69.79
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Piston out-of-deck .026" - .032"; 4.170" gskt. bore; .010" thicker for use when block is refaced; Quantity Required: 2
1981 buick riviera
$ 28.63
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); PermaTorque; Quantity Required: 2
1981 buick riviera
$ 28.63
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); PermaTorque; Quantity Required: 2
1981 buick riviera
$101.30
$ 44.18
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Piston out-of-deck .018" - .025"; 4.170" gskt. bore; Standard thickness; Quantity Required: 2
1981 buick riviera
$11.18
$ 9.34
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Type: Rear Main Seal Set; Rope; Improved design; Rear
1981 buick riviera
$11.18
$ 9.34
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); Type: Rear Main Seal Set; Rope; Improved design; Rear
1981 buick riviera
$11.18
$ 9.34
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Type: Rear Main Seal Set; Rope; Improved design; Rear
1981 buick riviera
$11.18
$ 9.34
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Type: Rear Main Seal Set; Rope; Improved design; Rear
1981 buick riviera
$ 16.99
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Type: Rear Main Seal Set; Rubber; Two-piece; Rear
1981 buick riviera
$ 16.99
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); Type: Rear Main Seal Set; Rubber; Two-piece; Rear
1981 buick riviera
$ 42.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Quantity Required: 1
1981 buick riviera
$ 42.76
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); Quantity Required: 1
1981 buick riviera
$ 20.79
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Quantity Required: 1
1981 buick riviera
$ 47.60
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Quantity Required: 1
1981 buick riviera
$ 5.96
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Type: Air Crossover Gasket Set; w/Internal EGR; w/2 stud air cleaner; Quantity Required: 1
1981 buick riviera
$65.42
$ 30.42
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Use: Valve Cover; Quantity Required: 2
1981 buick riviera
$65.42
$ 30.42
In Stock
Brand: Fel-Pro
Quantity Required: 2
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); Use: Valve Cover; Quantity Required: 2
1981 buick riviera
$ 138.84
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Int. manifold gskt. not incl.; Premium valve stem seals incl.; Quantity Required: 1
1981 buick riviera
$ 115.22
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); 1st Design; w/.605" valve guide OD; Int. manifold gskt. & turbo mounting gskts. not incl.; Premium valve stem seals incl.; Quantity Required: 1
1981 buick riviera
$ 110.30
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Int. manifold gskt. not incl.; Premium valve stem seals incl.; Quantity Required: 1
1981 buick riviera
$ 86.25
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4); 1st Design; w/.605" valve guide OD; Int. manifold gskt. not incl.; Premium valve stem seals incl.; Quantity Required: 1
1981 buick riviera
$ 77.26
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); 1st Design; w/.605" valve guide OD; Int. manifold gskt. & turbo mounting gskts. not incl.; Premium valve stem seals incl.; Quantity Required: 1
1981 buick riviera
$ 71.55
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Type: Head Gasket Set w/o Head Gasket; w/External EGR; w/1 stud air cleaner; Head gskts. & exh. pipe packing not incl.; Premium valve stem seals incl.; Quantity Required: 1