Engine Parts for 1990 GMC S15
No.
Part # / Description / Price
Price
N/A
Short Block 
GM
GM Notes: Includes: Block, Pistons & Rod Asm, Crankshaft & Bearings & Rear Seal.
Description: S-series. 2.8l. 2.8l mfi.
N/A
Engine GM
GM Notes: Does not include: Exhaust manifolds or engine electrical.
Description: S-series. 2.8l. Manual trans. 2wd.
4
Intake Valve GM
GM Description: 2.8-l. With ho. With hi-output. S-series. Fiero. 3.1l. All models. 3.4l.
5
Exhaust Valve GM
GM Description: 2.8-l. With ho. With hi-output. S-series. Fiero. 3.1l. All models. 3.4l.
13
Valve Lifters GM
GM Description: 2.8l, 3.1l. Beretta, Corsica. Eng/code t. S-series. Fiero. All models. 3.4l. Eng/code w.
15
Bearings GM
GM Description: S-series. 2.8l. 2, 3. No. 3, 4. Beretta, Corsica. S-series. 2.0l. All models. 2.8l, 3.1l. No 2,3.
15
Bearings GM
GM Description: S-series. 2.8l. 4. No. 2, 5. Beretta, Corsica. No. 4. S-series. 2.0l. All models. 2.8l, 3.1l. Rear.
15
20
Piston Rings GM
GM Notes: Includes: Rings For One Piston.
Description: All models. 2.8l. S-series. Fiero.
21
Pistons GM
GM Notes: Includes: One Piston W/Pin.
Description: 2.8-l. S-series. All models. With ho. Without hi limit.
23
Connecting Rod Bearing GM
GM Notes: Includes: One Upper & Lower Bearing For One Connecting Rod.
Description: S-series. 2.8l. All models. Beretta, Corsica. Fiero.
24
Main Bearings GM
GM Notes: Includes: One Upper & Lower Bearing.
Description: S-series. 2.8l. 4. All models. Beretta, Corsica. No. 1. With ho.
24
Main Bearings GM
GM Notes: Includes: One Upper & Lower Bearing.
Description: S-series. 2.8l. 2. All models. Beretta, Corsica. No. 2. With ho.
24
Main Bearings GM
GM Notes: Includes: One Upper & Lower Bearing.
Description: S-series. 2.8l. 3. All models. Beretta, Corsica. No. 3. With ho.
26
Crankshaft Rear Oil Seal GM
GM 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 $76.64
$49.80
MSRP $76.64
$49.80
30
Oil Pan GM
GM Description: S-series. 2.8l. 3.1l. 6 cylinder, manual trans. 6 cylinder, 2.8. 6 cylinder, 3.1.
32
Oil Pump GM
GM Description: Without turbo. Eng/code t. S-series. Beretta, Corsica. 2.8l, 3.1l. All models. 3.4l. Eng/code w.
Related Parts
Part # / Description / Price
Price
Timing Cover Oil Seal GM
GM Description: Inline 6 cylinder. 8 cylinder, gas, 8 cylinder, gas. 4.3L. 2.8L, 6 cylinder. Beretta, Corsica. 3.1L. 4 cylinder, oil seal. 6 cylinder, oil seal. 2.0L.
Timing Cover Gasket GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $11.46
$8.68
MSRP $11.46
$8.68
RTV Silicone Sealant - 300 mL 2 GM
GM Description: Silverado, Sierra 3500 HD. Silverado, Sierra 2500 HD. Diesel. Lower. 1.2L turbo. 2019. 2020. Corvette. Liquid sealant. One-part, room temperature vulcanized (RTV) silicone commonly used as a formed-in-place gasket
Characterized by good elasticity and high temperature resistance after curing
Designed to adhere to a variety of materials including glass and most metals
MSRP $9.24
$6.38
Electric Fuel Pump GM
GM Description: Helps provide a reliable fuel supply to your vehicle's engine
Electrical connections are designed to help eliminate high resistance due to vehicle vibration
Designed to optimize pump life and reduce fuel pump noise
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
2 This part contains hazardous materials. Extra shipping costs apply.