---
product_id: 243812173
title: "Napa Gold Fuel Filter 3966"
brand: "napa"
price: "S$88"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/243812173-napa-gold-fuel-filter-3966
store_origin: SG
region: Singapore
---

# 5 Micron Filtration Truck Compatibility Spin-On Design Napa Gold Fuel Filter 3966

**Brand:** napa
**Price:** S$88
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Engine's Performance with Napa Gold!

## Quick Answers

- **What is this?** Napa Gold Fuel Filter 3966 by napa
- **How much does it cost?** S$88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/243812173-napa-gold-fuel-filter-3966)

## Best For

- napa enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Fit:** Designed specifically for Cummins ISB engines and trucks.
- • **Easy Installation:** Spin-on design makes replacement a breeze.
- • **Durable Construction:** Enhanced cellulose filter media for long-lasting use.
- • **Precision Filtration:** 5-micron filtration ensures optimal engine performance.
- • **Unmatched Protection:** Engineered for both normal and severe driving conditions.

## Overview

The Napa Gold Fuel Filter 3966 is a high-performance spin-on fuel filter designed to provide exceptional engine protection for trucks, particularly Cummins ISB engines. With a 5-micron filtration capability, it effectively safeguards your engine from dirt and contaminants, ensuring optimal performance in various driving conditions.

## Description

Napa Gold Fuel Filter 3966

## Features

- NAPA Gold Fuel Filters Provide Excellent Engine Protection For Normal And Severe Driving Conditions Such As Dirt Roads, Construction Sites, Stop And Go Traffic, Short Trips, And Interstate Travel.
- Cummins ISB Engines - goes on the pressure side of this engine
- 5 Micron

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Napa |
| Vehicle Service Type | Truck |
| Item Diameter | 3.69 Inches |
| Item Weight | 3 Pounds |
| Style | Protection |
| Manufacturer | napa |
| UPC | 765809204348 |
| Item Weight | 3 pounds |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 3966 |
| Special Features | Brand: NAPA Filter Media Material: Enhanced Cellulose Filter Style: Spin-On Fuel Filter Filter Type: Spin-On Fuel Filter Gasket O.D. (Inches): 2.83 in. Fuel Filter Gasket O.D. (mm): 72 mm Fuel Filter Gasket Thickness (Inches): .225 in. Fuel Filter Gasket Thickness (mm): 5 mm Fuel Filter Height (Inches): 7.22 in. Fuel Filter Height (mm): 183 mm Fuel Filter Inlet Thread Size (mm): 20x1.5 mm Fuel Filter O.D. (Inches): 3.69 in. Fuel Filter O.D. (mm): 94 mm, Fuel Filter Style: Spin-On Fuel Filter Gasket I.D. (Inches): 2.475 in. Gasket I.D. (mm): 63 mm Gasket Included: Yes, Gasket Inside Diameter: 2.475 in Gasket Outside Diameter: 2.83 in Gasket Thickness: 0.225 in Height: 7.22 in, Micron Rating: 5 Sub Brand: Gold Thread Size: M20-1.5 UNSPSC: 40161513 |

## Product Details

- **Brand:** Napa
- **Vehicle Service Type:** Truck
- **Item Diameter:** 3.69 Inches
- **Item Weight:** 3 Pounds
- **Style:** Protection

## Images

![Napa Gold Fuel Filter 3966 - Image 1](https://m.media-amazon.com/images/I/31PWnaiEW+L.jpg)
![Napa Gold Fuel Filter 3966 - Image 2](https://m.media-amazon.com/images/I/11oAy80iElL.jpg)

## Frequently Bought Together

- Napa Gold Fuel Filter 3966
- Napa Gold 7182 Oil Filter
- NAPA Gold 3965 Fuel Filter

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**Shop now:** [https://www.desertcart.sg/products/243812173-napa-gold-fuel-filter-3966](https://www.desertcart.sg/products/243812173-napa-gold-fuel-filter-3966)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-07*