---
product_id: 24608281
title: "Genuine Nissan Parts - Authentic Catalog Part from The Factory (21200-31U1B)"
brand: "nissan"
price: "$96.39"
currency: USD
in_stock: true
reviews_count: 13
category: "Nissan"
url: https://www.desertcart.us/products/24608281-genuine-nissan-parts-authentic-catalog-part-from-the-factory-21200
store_origin: US
region: United States of America
---

# Vehicle-specific OEM fit Precision thermal control Factory-certified genuine part Genuine Nissan Parts - Authentic Catalog Part from The Factory (21200-31U1B)

**Brand:** nissan
**Price:** $96.39
**Availability:** ✅ In Stock

## Summary

> 🚀 Drive with confidence—only genuine Nissan parts deliver precision and peace of mind!

## Quick Answers

- **What is this?** Genuine Nissan Parts - Authentic Catalog Part from The Factory (21200-31U1B) by nissan
- **How much does it cost?** $96.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/24608281-genuine-nissan-parts-authentic-catalog-part-from-the-factory-21200)

## Best For

- nissan enthusiasts

## Why This Product

- Trusted nissan brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Superior Thermal Regulation:** Maintains optimal engine temperature, preventing overheating and enhancing engine longevity.
- • **Durable Cast Iron Construction:** Built to withstand high heat and stress, ensuring long-lasting performance under demanding conditions.
- • **Perfect OEM Fit for Your Nissan:** Engineered specifically for Nissan trucks to ensure flawless installation and performance.
- • **Factory-Backed Quality Assurance:** Manufactured and tested by Nissan-approved suppliers for guaranteed reliability and durability.
- • **Trusted by Thousands of Nissan Owners:** Highly rated with 4.5 stars from over 230 reviews, proving consistent satisfaction and peace of mind.

## Overview

This Genuine Nissan OEM thermostat (part number 21200-31U1B) is a vehicle-specific replacement designed for Nissan trucks, crafted from durable cast iron. It ensures precise thermal management to keep your engine running cooler and more efficiently compared to aftermarket alternatives. Backed by Nissan’s manufacturer warranty and trusted by hundreds of satisfied customers, this part guarantees authentic quality and a perfect fit for your Nissan vehicle.

## Description

Nissan Quality Assured, Genuine Nissan Parts OEM Only, Not After Market

Review: Does what it's designed to do. - Product works as OEM should. Purchased this to replace a non-OEM brand that was about 1/3 the price. Application was a newly rebuilt 2005 Nissan 4.0L VQ40. Due to heat problems with the non-OEM installed on installation of the engine, I decided to test beforehand. Noted improvement over non-OEM in the pot as well at installed on the engine. Pan test included the original OEM, the non-OEM and the new OEM: OEM: 184*F - Began opening 190*F - Open to about 1/16" 198-200*F - over an 1/8" open 205*F - 3/16" or more open. Eg. fully open. OBDII connected to the ECM showed the engine never going over 210*F at 55/65MPH Compared to the non-OEM: 184*F - Closed 190*F - Closed 195*F - Began opening 200*F - just over 1/16" open 205*F - just over 1/8" open. Eg. not fully open. OBDII connected to the ECM showed the engine live temperature creeping to 220*F at 55/65MPH
Review: Perfect fit! - Perfect fit for my nissan frontier 2005

## Features

- Vehicle Specific
- Manufacturer Warranty
- NIssan Quality Assured
- OEM, Not After Market

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BFE0KV4 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #296,691 in Automotive ( See Top 100 in Automotive ) #552 in Automotive Replacement Engine Thermostats |
| Brand | NISSAN |
| Customer Reviews | 4.5 4.5 out of 5 stars (238) |
| Date First Available | October 18, 2013 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.6 ounces |
| Item model number | 21200-31U1B |
| Manufacturer | PMDDS |
| Manufacturer Part Number | 21200-31U1B |
| Material | Cast Iron |
| Model | Genuine Nissan Parts - Authentic Catalog Part From The Factory (21200-31U1B) |
| OEM Part Number | 21200-31U1B |
| Vehicle Service Type | Truck |

## Product Details

- **Automotive Fit Type:** Vehicle Specific Fit
- **Brand:** NISSAN
- **Item Weight:** 0.35 Pounds
- **Manufacturer:** PMDDS
- **Material:** Cast Iron
- **OEM Part Number:** 21200-31U1B
- **Vehicle Service Type:** Truck

## Images

![Genuine Nissan Parts - Authentic Catalog Part from The Factory (21200-31U1B) - Image 1](https://m.media-amazon.com/images/I/81lzWSwRSaL.jpg)
![Genuine Nissan Parts - Authentic Catalog Part from The Factory (21200-31U1B) - Image 2](https://m.media-amazon.com/images/I/81mlzcQcPkL.jpg)

## Questions & Answers

**Q: Is this rated at 170 or 180 or 195 degrees? Will it fit a 03-06 g35 5AT Sedan? Does it comes with gasket?**
A: Rated at 180 which is OEM. It does not come with a gasket. Purchase a quality gasket.

**Q: Does this come with a new gasket**
A: No gasket just got mine today

**Q: Does this fit M35 2008?**
A: It fit our 08 Pathfinder perfectly n it’s the 4 liter bersion of your engine

**Q: Can this part be sending outside the USA?**
A: We do not ship internationally.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Does what it's designed to do.
*by B***B on September 10, 2023*

Product works as OEM should. Purchased this to replace a non-OEM brand that was about 1/3 the price. Application was a newly rebuilt 2005 Nissan 4.0L VQ40. Due to heat problems with the non-OEM installed on installation of the engine, I decided to test beforehand. Noted improvement over non-OEM in the pot as well at installed on the engine. Pan test included the original OEM, the non-OEM and the new OEM: OEM: 184*F - Began opening 190*F - Open to about 1/16" 198-200*F - over an 1/8" open 205*F - 3/16" or more open. Eg. fully open. OBDII connected to the ECM showed the engine never going over 210*F at 55/65MPH Compared to the non-OEM: 184*F - Closed 190*F - Closed 195*F - Began opening 200*F - just over 1/16" open 205*F - just over 1/8" open. Eg. not fully open. OBDII connected to the ECM showed the engine live temperature creeping to 220*F at 55/65MPH

### ⭐⭐⭐⭐⭐ Perfect fit!
*by J***F on May 31, 2025*

Perfect fit for my nissan frontier 2005

### ⭐⭐⭐⭐⭐ OEM is the way to go!
*by L***E on September 6, 2025*

This arrived safe and sound. I installed it into my vehicle with no problems. All the holes lined up and the OEM gasket that I bought separately fit perfectly as well. Remember that you need a gasket, do not use your old one because you forgot to get one. To get the new thermostat to line up with the gasket while putting it on, put the gasket on it and then put 2 of the bolts/screws in the holes of it. I did the bottom 2 screws. I then placed it where it goes and screwed one in partially, not all the way. If you try to put it on one screw at a time, the gasket will keep slipping off and un aligning. After you partially screw in the first screw, do the same to the other one. Then you can install it with ease. While you’re in there, check your radiator hoses since you have the coolant and thermostat out.

## Frequently Bought Together

- Genuine Nissan Parts - Authentic Catalog Part from The Factory (21200-31U1B)
- Beck/Arnley Thermostat Gasket - 039-0124
- Beck/Arnley Coolant Temperature Sensor - 158-0606

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-10*