# KYB 341621 Gas Shock Excel G Twin Tube for 1999–2006 Peterbilt 378

### Performance Overview

KYB Gas Shock - Excel-G Shocks and Struts are high quality products guaranteeing superior functionality and efficiency. They are specially designed to restore the vehicle's original capabilities. The KYB Excel-G is a nitrogen gas-charged twin-tube design that comes with every quality component that global OEM products include.

KYB is a worldwide leading supplier of shocks and struts to new vehicle manufacturers. World-Class engineering and quality have made KYB the original equipment shocks for Lexus, Toyota, Saturn, Infiniti, Chrysler, and Ford. Their products are made from the highest quality materials, and guarantee to deliver superior handling, comfort, and control.

### Key Features

-   Part Number: 341621
-   Product Type: Gas Shock Excel G Twin Tube
-   Twin-Tube Design

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1999

Peterbilt

378

2000

Peterbilt

378

2001

Peterbilt

378

2002

Peterbilt

378

2003

Peterbilt

378

2004

Peterbilt

378

2005

Peterbilt

378

2006

Peterbilt

378

### FAQ

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

**What part number is this?**  
The listed part number is 341621.

**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

-   Gas Shock Excel G Twin Tube for Peterbilt 378
-   341621 fitment
-   KYB Gas Shock Excel G Twin Tube
-   1999–2006 Peterbilt 378 Gas Shock Excel G Twin Tube
-   KYB 341621 replacement

## Details

- **Price:** 178.34 CAD
- **Vendor:** KYB
- **Type:** Gas Shock Excel G Twin Tube
- **Tags:** 1999–2006 Peterbilt 378, 341621, Gas Charged, Gas Shock Excel G Twin Tube, KYB, OE Replacement, Suspension, Twin-Tube

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 178.34 CAD | In stock |

## Images

- KYB 341621 Gas Shock Excel G Twin Tube for 1999–2006 Peterbilt 378

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> Source: [Standard Auto Part](www.standardautopart.com/products/kyb-peterbilt-378-shock-absorber-341621)
> Updated: 2026-06-19