# MotoRad T138 Engine Coolant Reservoir Cap for 1998-2013 Nissan Altima

### Specifications

Filler Neck Outside Diameter: 1.48 in

Prop 65 WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Thread Diameter: 1.20 in

Filler Neck Inside Diameter: 1.20 in

Gasket Or Seal Included: N/A

Prop 65 ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov

Thread Type: Female

Material: Plastic

Material: Plástico

Diameter: 1.48 in

Diameter: 37.59 mm

Color: Black

Color: Negro

Attachment Type: Threaded

Attachment Type: Roscado

Overall Height: 0.44 in

Overall Height: 11.17 mm

Type: Standard

Type: Estándar

Cap Depth: 0.33 in

Cap Depth: 8.38 mm

Pressure Release Lever: No

Quick Pressure Release: No

Shape: Round

Shape: Redondo

System Type: Open

Indicator Markings: Yes

Indicator Markings Color: Black

Indicator Markings Color: Negro

Vented: No

Pressurized: No

### Features

-   Made to keep your vehicle's engine running cool
-   Designed to maintain proper cooling level and prevent overheating
-   Manufactured from high-strength materials to last
-   Durable construction to withstand everyday wear and tear

### Product Details

Engine Coolant Reservoir Cap (T138) by MotoRad®. MotoRad recovery tank caps are designed and manufactured to offer precise control for the automotive cooling system.

The cooling system of your automobile is vital to your engine's overall health and longevity. That is why it’s critical to replace leaking, malfunctioning, cracked or otherwise damaged cooling parts and components in time. Without proper cooling, your engine can crack and seize up, which can lead to engine damage. To save your energy, time and money, get the superior OEM parts we offer for your vehicle. Each product is made from high quality materials to maintain proper cooling of your engine and prevent overheating.

Brand: MotoRad

Part Number: T138

UPC: 055644996288

OE Numbers: 21712S3800

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1998

Nissan

Altima

1999

Nissan

Altima

2000

Nissan

Altima

2001

Nissan

Altima

2002

Nissan

Altima

2003

Nissan

Altima

2004

Nissan

Altima

2005

Nissan

Altima

2006

Nissan

Altima

2007

Nissan

Altima

2008

Nissan

Altima

2009

Nissan

Altima

2010

Nissan

Altima

2011

Nissan

Altima

2012

Nissan

Altima

2013

Nissan

Altima

1998

Nissan

Frontier

1999

Nissan

Frontier

2000

Nissan

Frontier

2001

Nissan

Frontier

2002

Nissan

Frontier

2003

Nissan

Frontier

2004

Nissan

Frontier

2004

Nissan

Maxima

2005

Nissan

Maxima

2006

Nissan

Maxima

2007

Nissan

Maxima

2008

Nissan

Maxima

2009

Nissan

Maxima

2010

Nissan

Maxima

2011

Nissan

Maxima

2004

Nissan

Quest

2005

Nissan

Quest

2006

Nissan

Quest

2007

Nissan

Quest

2008

Nissan

Quest

2009

Nissan

Quest

2000

Nissan

Xterra

2001

Nissan

Xterra

2002

Nissan

Xterra

2003

Nissan

Xterra

2004

Nissan

Xterra

### 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 T138.

**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 Coolant Reservoir Cap for Nissan Altima
-   T138 fitment
-   MotoRad Engine Coolant Reservoir Cap
-   1998 Nissan Altima Engine Coolant Reservoir Cap

## Details

- **Price:** 28.96 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Reservoir Cap
- **Tags:** 1998-2004 Nissan Frontier, 1998-2013 Nissan Altima, 2000-2004 Nissan Xterra, 2004-2009 Nissan Quest, 2004-2011 Nissan Maxima, Automotive, Engine Coolant Reservoir Cap, MotoRad, T138

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 28.96 CAD | In stock |

## Images

- MotoRad T138 Engine Coolant Reservoir Cap for 1998-2013 Nissan Altima

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-t138-engine-coolant-reservoir-cap)
> Updated: 2026-08-17