# MagnaFlow 338651 Direct-Fit Catalytic Converter 338651 for Chevrolet Spectrum 1987-1988, Geo Spectrum 1989, Isuzu I-Mark 1987-1989, Stainless Steel, 2.5" Diameter

### Performance Overview

If you're looking to replace your catalytic converter with something that meets OEM specifications while ensuring optimal performance, the MagnaFlow 338651 is your go-to solution. Designed specifically for the 1987-1988 Chevrolet Spectrum , 1989 Geo Spectrum , and 1987-1989 Isuzu I-Mark , this direct-fit catalytic converter is engineered for easy installation and reliable function.

### Key Features

-   Brand: MagnaFlow
-   Part number: 338651
-   Product type: Direct-Fit Catalytic Converter 338651 for Chevrolet Spectrum 1987-1988, Geo Spectrum 1989, Isuzu I-Mark 1987-1989, Stainless Steel, 2.5" Diameter
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   Chevrolet Spectrum 1987 - 1988 Cl
-   Chevrolet Spectrum 1987 - 1988 Cl Plus
-   Chevrolet Spectrum 1987 - 1988 Base
-   Chevrolet Spectrum 1987 - 1988 Turbo
-   Chevrolet Spectrum 1987 - 1988 Express
-   Geo Spectrum 1989 Base
-   Isuzu I-Mark 1987 Base
-   Isuzu I-Mark 1987 - 1989 S

### FAQ

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

**What part number is this?**  
The listed part number is 338651.

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

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

### Common Searches

-   Direct-Fit Catalytic Converter 338651 for Chevrolet Spectrum 1987-1988, Geo Spectrum 1989, Isuzu I-Mark 1987-1989, Stainless Steel, 2.5" Diameter for universal fitment
-   338651 fitment
-   MagnaFlow Direct-Fit Catalytic Converter 338651 for Chevrolet Spectrum 1987-1988, Geo Spectrum 1989, Isuzu I-Mark 1987-1989, Stainless Steel, 2.5" Diameter
-   universal MagnaFlow Direct-Fit Catalytic Converter 338651 for Chevrolet Spectrum 1987-1988, Geo Spectrum 1989, Isuzu I-Mark 1987-1989, Stainless Steel, 2.5" Diameter

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

Chevrolet Spectrum 1987 - 1988 Cl

Chevrolet Spectrum 1987 - 1988 Cl Plus

Chevrolet Spectrum 1987 - 1988 Base

Chevrolet Spectrum 1987 - 1988 Turbo

Chevrolet Spectrum 1987 - 1988 Express

Geo Spectrum 1989 Base

Isuzu I-Mark 1987 Base

Isuzu I-Mark 1987 - 1989 S

Isuzu I-Mark 1988 - 1989 Xs

Isuzu I-Mark 1989 Ls

## Details

- **Price:** 801.85 CAD
- **Vendor:** MagnaFlow
- **Type:** Direct-Fit Catalytic Converter 338651 for Chevrolet Spectrum 1987-1988, Geo Spectrum 1989, Isuzu I-Mark 1987-1989, Stainless Steel, 2.5" Diameter
- **Tags:** 2.5" Diameter, 338651, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Direct-Fit Catalytic Converter 338651 for Chevrolet Spectrum 1987-1988, Exhaust Performance, Exhaust System, Geo Spectrum 1989, Isuzu I-Mark 1987-1989, MagnaFlow, Muffler, Performance Exhaust, Performance Parts, Stainless Steel, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 801.85 CAD | In stock |

## Images

- MagnaFlow 338651 Direct-Fit Catalytic Converter 338651 for Chevrolet Spectrum 1987-1988, Geo Spectrum 1989, Isuzu I-Mark 1987-1989, Stainless Steel, 2.5" Diameter

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-catalytic-converter-universal-338651)
> Updated: 2026-07-06