# GMB 158-1020 Engine Water Pump for 1981-1994 Saab 900

### Specifications

-   Housing Material: Aluminum
-   Hub Height: 2.05 in
-   Hub Pilot Diameter: 2.20 in
-   Impeller Material: Metal
-   Impeller Rotation: Reverse
-   Water Pump Drive Type: Serpentine Belt
-   Pump Color: Natural
-   Pump Flow: Standard-volume
-   Pump Material: Aluminum
-   Quantity: Sold individually.
-   Remanufactured: No
-   Water Pump Rotation: Counterclockwise

### Features

-   Designed to deliver trouble-free, consistent performance
-   Right for your vehicle and lifestyle
-   Made from high-quality materials for ultimate durability
-   Manufactured to meet or exceed strict quality requirements

### Product Details

Engine Water Pump (158-1020) by GMB®. Material: Aluminum. Rotation: Reverse. GMB proudly announces that all principal component parts are designed, manufactured and tested in house, such as bearings, impellers, mechanical seal kits and housings. Integration of these parts through GMB experience and accumulated knowledge shall lead to total quality assurance, unsurpassed by anybody else.

Brand: GMB

Part Number: 158-1020

UPC: 826732577777

Alternate MPN: 1581020

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1981

Saab

900

1982

Saab

900

1983

Saab

900

1984

Saab

900

1985

Saab

900

1986

Saab

900

1987

Saab

900

1988

Saab

900

1989

Saab

900

1990

Saab

900

1991

Saab

900

1992

Saab

900

1993

Saab

900

1994

Saab

900

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 158-1020.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Engine Water Pump for Saab 900
-   158-1020 fitment
-   GMB Engine Water Pump
-   1981 Saab 900 Engine Water Pump

## Details

- **Price:** 55.85 CAD
- **Vendor:** GMB
- **Type:** Engine Water Pump
- **Tags:** 158-1020, 1981-1994 Saab 900, Automotive, Engine Water Pump, GMB

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 55.85 CAD | In stock |

## Images

- GMB 158-1020 Engine Water Pump for 1981-1994 Saab 900

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/gmb-158-1020-engine-water-pump)
> Updated: 2026-08-11