1990 GMC S15 | Unitrans

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Brand
- Walker Products
Part type
- Oxygen Sensor
Label
- OE Base Sensor
- OE Replacement
Position
- Upstream
Engine
- L4 2.5L
- V6 2.8L
- V6 4.3L

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Diagram

Oxygen Sensor

250-21001 Walker Products
OE Base Sensor

Vehicle specific

Position

Upstream

Note

B1S1

Quantity per vehicle

1

Fits on

Only submodels with ...
- V6 4.3L -CC 262CID 3.48 Inches 88.4 mm Naturally Aspirated 0 [Z] FI GAS
- V6 2.8L -CC 173CID 2.99 Inches 76.0 mm Naturally Aspirated 0 [R] FI GAS
- L4 2.5L 2474CC 151CID 3.00 Inches 76.2 mm Naturally Aspirated 0 [E] FI GAS

Item on special order.
Please call us
1 800-361-4260
or make a request.

350-31027 Walker Products
OE Replacement

Vehicle specific

Position

Upstream

Note

B1S1

Quantity per vehicle

1

Fits on

Only submodels with ...
- V6 4.3L -CC 262CID 3.48 Inches 88.4 mm Naturally Aspirated 0 [Z] FI GAS
- V6 2.8L -CC 173CID 2.99 Inches 76.0 mm Naturally Aspirated 0 [R] FI GAS
- L4 2.5L 2474CC 151CID 3.00 Inches 76.2 mm Naturally Aspirated 0 [E] FI GAS

Item on special order.
Please call us
1 800-361-4260
or make a request.