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1991 Buick Regal Engine Parts

Save up to 40% on original replacement 1991 Buick Regal maintenance and repair parts. Over 1,000 high-quality, direct-fit parts for a 1991 Buick Regal, 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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$14.03
In Stock
Brand: BWD
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Type 1
$10.67
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Use: Timing Cover 1.040" sleeve length Use w/installation tool
1 Year Warranty
$11.21
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Use: Timing Cover .565" sleeve length Use w/installation tool
1 Year Warranty
$10.49
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Use: Timing Cover Use w/installation tool
1 Year Warranty
$18.19
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Use: Crankshaft Use w/installation tool
1 Year Warranty
$48.34
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Use: Crankshaft
1 Year Warranty
$52.07
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Use: Timing Cover
1 Year Warranty
$52.36
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Use: Timing Cover
1 Year Warranty
$42.19
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 2
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Head bolts not incl. Head bolt replacement recommended PermaTorque Severe Duty
1 Year Warranty
$1.64
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
1 Year Warranty
$1.42
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
1 Year Warranty
$0.91
$0.76
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
1 Year Warranty
$0.91
$0.76
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
1 Year Warranty
$32.91
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 2
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
HeadSaver
1 Year Warranty
$38.94
$18.10
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 2
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Head bolts not incl. Head bolt replacement recommended PermaTorque
1 Year Warranty
$31.21
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 2
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Head bolts not incl. Head bolt replacement required
1 Year Warranty
$32.88
$28.05
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Type: Rear Main Seal Set 11.0mm thick Rubber One-piece Improved design
1 Year Warranty
$16.33
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Type: Rear Main Seal Set Rubber One-piece
1 Year Warranty
$64.04
$29.77
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Type: Rear Main Seal Set 11.0mm thick PTFE Rubber One-piece Protective sleeve/Installation tool incl. Improved design
1 Year Warranty
$21.52
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Type: Rear Main Seal Set PTFE Rubber One-piece Protective sleeve/Installation tool incl.
1 Year Warranty
$95.62
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
PermaDry molded rubber oil pan gskt. incl.
1 Year Warranty
$60.60
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
PermaDry molded rubber oil pan gskt. incl. PermaDryPlus timing cover gskt. incl.
1 Year Warranty
$29.82
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Type: Grommet Set Use: Valve Cover
1 Year Warranty
$15.36
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Type: Grommet Set Use: Valve Cover
1 Year Warranty
$42.61
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Replacement recommended
1 Year Warranty
$45.54
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Replacement required
1 Year Warranty
$135.47
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Type: Head Installation Set Int. manifold gskt., head bolts, exh. pipe packing, valve cover grommets not incl. Head bolt replacement recommended PermaDry molded rubber valve cover gskts. incl.
1 Year Warranty
$130.56
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Int. manifold gskt., head bolts, exh. pipe packing, valve cover grommets not incl. Head bolt replacement recommended PermaDry molded rubber valve cover gskts. incl. Premium valve stem seals incl.
1 Year Warranty
$149.53
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Head bolts & exh. pipe packing not incl. Head bolt replacement required PermaDry molded rubber valve cover gskts. incl. Premium valve stem seals incl.
1 Year Warranty
$26.40
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
1 Year Warranty
$17.07
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
1 Year Warranty
$65.33
$30.38
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Lower set Improved design
1 Year Warranty
$44.48
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Sequence No. 40001 to 800000 Valve cover gskts. not incl. Upper set incl.
1 Year Warranty
$43.45
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
From Sequence No. 800001 Valve cover gskts. not incl. Upper set incl.
1 Year Warranty
$17.14
$16.23
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
PermaDry molded rubber gskt. incl.
1 Year Warranty
$93.43
$43.45
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
PermaDryPlus Oil Pan SnapUps incl.
1 Year Warranty
$39.43
$30.82
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
PermaDry molded rubber gskt. incl.
1 Year Warranty
$27.91
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Premium valve stem seals incl.
1 Year Warranty
$45.16
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Premium valve stem seals incl.
1 Year Warranty
$37.67
$17.10
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 3.1L 189ci V6 (3.50x3.31; 89.0x84.0);
Vehicle Fitment Notes:
Type: Timing Cover Set w/Sleeve w/Sleeve 'N' Seal 1.040" sleeve length
1 Year Warranty