# GMB 121-2002 Engine Water Pump for 1998-2007 Chevy Optra

### Specifications

-   Housing Material: Aluminum
-   Hub Height: 2.63 in
-   Hub Pilot Diameter: 2.46 in
-   Impeller Material: Metal
-   Impeller Rotation: Standard
-   Water Pump Drive Type: Timing Belt
-   Pump Color: Natural
-   Pump Flow: Standard-volume
-   Pump Material: Aluminum
-   Quantity: Sold individually.
-   Remanufactured: No
-   Water Pump Rotation: Clockwise

### 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 (121-2002) by GMB®. Material: Aluminum. Rotation: Standard. 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: 121-2002

UPC: 083286192096

Alternate MPN: 1212002

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2004

Chevy

Optra

2005

Chevy

Optra

2006

Chevy

Optra

2007

Chevy

Optra

1999

Daewoo

Leganza

2000

Daewoo

Leganza

2001

Daewoo

Leganza

2002

Daewoo

Leganza

1999

Daewoo

Nubira

2000

Daewoo

Nubira

2001

Daewoo

Nubira

2002

Daewoo

Nubira

1998

Isuzu

Amigo

1999

Isuzu

Amigo

2000

Isuzu

Amigo

1998

Isuzu

Rodeo

1999

Isuzu

Rodeo

2000

Isuzu

Rodeo

2001

Isuzu

Rodeo

2002

Isuzu

Rodeo

2003

Isuzu

Rodeo

### 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 121-2002.

**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 Chevy Optra
-   121-2002 fitment
-   GMB Engine Water Pump
-   2004 Chevy Optra Engine Water Pump

## Details

- **Price:** 49.97 CAD
- **Vendor:** GMB
- **Type:** Engine Water Pump
- **Tags:** 121-2002, 1998-2000 Isuzu Amigo, 1998-2003 Isuzu Rodeo, 1999-2002 Daewoo Leganza, 1999-2002 Daewoo Nubira, 2004-2007 Chevy Optra, Automotive, Engine Water Pump, GMB

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 49.97 CAD | In stock |

## Images

- GMB 121-2002 Engine Water Pump for 1998-2007 Chevy Optra

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/gmb-121-2002-engine-water-pump)
> Updated: 2026-08-11