Photos show this exact unit, including any signs of use.

NAPA Gold 3960XE Spin-On Fuel Water Separator Filter FOR Chevy GMC 6.6L Duramax
- ShippingDepends on item size and packaging.
- Local pickupAvailable in Taylorsville, UT.
This same item is also listed on
Same unit, same SKU.- Real photos
- Tested in Utah
- Ships in 2–4 business days
- 14-day limited returns
Description
SKU#30631- This product is in "New condition"
Experience smooth, quiet, and reliable engine performance with the NAPA Gold 3960XE Premium Spin-On Fuel and Water Separator Filter. This advanced filter features high-efficiency glass media engineered to provide superior 7-micron filtration under normal and severe driving conditions, such as dirt roads, construction sites, and heavy towing. It effectively captures micro-contaminants and separates water to safeguard sensitive high-pressure fuel injection systems from rust, wear, and corrosion.
Compatible with select models from:
Chevrolet: Silverado 2500 HD, 3500 HD, Express 2500, 3500, 4500 (2001–2016) w/ 6.6L Duramax Diesel
GMC: Sierra 2500 HD, 3500 HD, Savana 2500, 3500, 4500 (2001–2016) w/ 6.6L Duramax Diesel
NAPA Gold's premium construction ensures ultimate filtration and maximum flow—perfect for truck drivers who value maximum durability. Trusted by automotive professionals, this premium replacement comes complete with required gaskets for a seamless leak-free installation.
Included and condition
Included
- NAPA Gold 3960XE Spin-On Fuel Water Separator Filter
- Installation instructions (if applicable)
Condition
- Graded New. Use the listing photos for final cosmetic review.
- Cosmetic wear is referenced in the listing. The product photos should be part of your final condition review.
Confirm exact contents in the product photos. Accessories vary per unit.
Product overview
The NAPA Gold 3960XE Spin-On Fuel Water Separator Filter is designed specifically for Chevy GMC 6.6L Duramax engines, ensuring optimal performance and protection against water contamination. This filter is new and comes with real product photos and clear condition notes, so you know exactly what you're getting. At TamDo.us, we pride ourselves on fast shipping, with this product typically shipping within 2–4 business days. We offer 14-day returns on material defects or items significantly different from the listing.
Key features
- Designed for Chevy GMC 6.6L Duramax engines
- Spin-on design for easy installation
- Effective water separation for engine protection
- High-quality filtration for optimal performance
Why buy on TamDo.us
Buying pre-owned electronics on TamDo.us means lower prices than retail without sacrificing quality. We photograph each item in our Utah warehouse so you see exactly what you're buying — not stock images. Orders ship within 2–4 business days with tracking, and we offer 14-day returns on material defects. Need to inspect in person? Visit our local store at TamDous.com.
Good to know before you buy
Still unsure? Text (385) 715-6888 with SKU 30631Is this filter compatible with my vehicle?
This filter is specifically designed for Chevy GMC 6.6L Duramax engines.
What is the return policy?
We offer a 14-day return policy for your peace of mind.
How quickly will this ship?
This product typically ships within 2–4 business days.
Is there a warranty on this product?
Warranty details can vary; please check with the manufacturer.
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