Engine Parts for 2003 Pontiac Bonneville
No.
Part # / Description / Price
Price
2
Crankshaft Balancer Bolt 
GM
GM Description: 3.8L. Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $31.70
$21.68
MSRP $31.70
$21.68
3
Timing Cover GM
GM Description: Impala, Monte Carlo. Bonneville, LeSabre. Park Avenue. All models. 3.8l. Without supercharger. Grand Prix. LaCrosse. Lucerne. Incl.Timing Cover.
4
Gasket GM
GM Description: GM Genuine Parts Timing Cover Gasket (Part Number: 12587003) is a timing cover gasket used to seal the front engine cover and prevent oil leaks. Type: Engine timing cover gasketFunction: Seals timing cover to engine block to prevent oil leakageAlso known as: Timing Cover Gasket SetOrder with confidence from World Parts Direct — an American corporation offering great prices, compatibility guarantee, and OEM-backed support.
MSRP $16.96
$11.60
MSRP $16.96
$11.60
5
Front Crankshaft Engine Oil Seal GM
GM Description: GM Genuine Parts Front Crankshaft Engine Oil Seal (Part Number: 12582313) is a front crankshaft seal designed to prevent engine oil leaks where the crankshaft exits the engine. Engineered to withstand heat and pressure within the crankcase sealing environm ...
MSRP $24.85
$17.00
MSRP $24.85
$17.00
5
Rear Crankshaft Oil Seal GM
GM Positions: Rear
Description: Seals the openings on either end of the crankshaft for a tight seal
Withstands heat and pressure to help prevent the engine from leaking oil
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $40.49
$26.31
MSRP $40.49
$26.31
6
Engine Oil Pan GM
GM Description: Bonneville, LeSabre. 3.8L. Park Avenue. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
7
Oil Pan Gasket GM
GM Description: Bonneville, LeSabre. 3.8L. Park Avenue. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
8
Engine Oil Filter GM
GM Description: Exc.Check Valve. Vendor:acdelco. Vendor #PF40. Duraguard.
MSRP $10.80
$6.48
MSRP $10.80
$6.48
11
Driver Side Rocker Arm Cover GM
GM Positions: Left
Description: GM Genuine Parts Driver Side Rocker Arm Cover (Part Number: 12590363) is an OEM valve rocker arm cover (valve cover) intended to seal and protect valve train components on specified engines, including supercharged applications as indicated in factory text. ...
MSRP $24.10
$16.49
MSRP $24.10
$16.49
11
Passenger Side Rocker Arm Cover GM
GM Positions: Right
Description: All. Park Avenue. Right. With supercharger. Riviera. Bonneville, LeSabre. Grand Prix. Impala, Monte Carlo. Left. With superchareger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $99.17
$62.74
MSRP $99.17
$62.74
11
Passenger Side Rocker Arm Cover GM
GM Positions: Right
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
11
Driver Side Rocker Arm Cover GM
GM Positions: Left
Description: GM Driver Side Rocker Arm Cover (Part Number: 12590366) is a valve/rocker arm cover designed to protect valvetrain components and help contain engine oil. Type: Rocker arm / valve cover (driver side)Function: Protects valvetrain components and works with g ...
MSRP $20.49
$14.02
MSRP $20.49
$14.02
12
Valve Cover Gasket GM
GM Positions: Right
Description: GM Genuine Parts Valve Cover Gasket (Part Number: 24503937) is a valve cover gasket that seals the rocker arm cover to the cylinder head to prevent oil leaks. Function: Seals the valve cover to the cylinder head and helps retain engine oil while preventing ...
MSRP $3.33
$2.27
MSRP $3.33
$2.27
13
Engine Oil Filler Tube GM
GM Description: 3.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.01
$6.31
MSRP $7.01
$6.31
14
Engine Oil Filler Cap GM
GM Description: Notched. 3.8L. Marked 10W-30. Incl.Seal. Sae 10w30. Vented. Engine oil. Helps seal and keep oil from leaking out of your vehicle's engine oil filler opening
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
14
Engine Oil Filler Cap GM
GM Description: GM Genuine Parts Engine Oil Filler Cap (Part Number: 12573337) is an OEM engine oil filler cap engineered to seal the engine oil fill opening and help prevent leaks. Purpose: Seals the oil filler opening to retain engine oil and help prevent contaminationQ ...
MSRP $20.32
$12.19
MSRP $20.32
$12.19
15
Engine Oil Filler Cap O-Ring GM
GM Description: GM Genuine Parts Engine Oil Filler Cap O-Ring (Part Number: 24100002) is an O-ring seal designed for the engine oil filler cap to help prevent oil leaks and ingress of contaminants. Type: Oil filler cap O-ring/sealFunction: Provides pressure- and contamina ...
MSRP $6.01
$3.62
MSRP $6.01
$3.62