★★★★★ 5
On time shipping
What I need when I need it
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Reviewed in the United States on May 7, 2026
X-Series Accessory Package - Low Fuel Pressure/4AN/6AN
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
X-Series Accessory Package - Low Fuel Pressure/4AN/6ANIncludes 4AN & 6AN Fittings Includes Basic Accessories For Your System Available In Low & High Fuel Pressure Everything Needed to Make Your System NHRA Ready Improved System Function: A nitrous system's functionality can be greatly improved by adding a few simple accessories. The X Series accessory package will help maintain, and monitor bottle pressure while making your system NHRA legal for track events. Application: The accessories included in this
Quick Dispatch:
Your X-Series Accessory Package - Low Fuel Pressure/4AN/6AN orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.5 ★★★★★
Based on 1862 reviews
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Product Reviews
★★★★★ 1
Oil pressure drop
Once the engine warms up, the oil pressure drops enough to trigger the check engine light every time it dips below the threshold. I decided to try an aftermarket oil filter, but it looks like I’ll be switching back to the pricey OEM one after all.
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Perfect OEM replacement
An amazing alternative to the expensive OEM filter. Works just as well if not better.
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Reviewed in the United States on May 14, 2025
★★★★★ 5
Parts that fit!
It’s hard to find ‘official Mopar’ parts for the 3.0 Eco Diesel but Doc’s Diesel are exact matches and are as good or better quality as factory.
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Reviewed in the United States on October 20, 2024
★★★★★ 5
Filters
Color: 3 Set
Great value for the money
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Reviewed in the United States on April 17, 2026
