Bought for daughter’s truck. Finally got to install it . Causeshad down shifts when stopping. Installed several times and does the same thing. Removed and issue goes away. Will not be using.
Fix the issue
Free Domestic Shipping
SKU:C122-A081~1
Couldn't load pickup availability
3963808 Pressure Relief Valve for Cummins 5.9L Dodge 2500 3500 2003-2007
Specifics:
Material: Metal
Condition: 100% Brand New
Type: Pressure Relief Valve
Fitment Type: Direct Replacement
Quantity: 1pcs
Manufacturer Part Number:1110010007, 1110010020, 3947799, 3963808
Placement on Vehicle:Left, Right, Front, Rear
Fitment For:
For Cummins 5.9L 2003-2007
For Dodge 2500 3500 5.9L 2003-2007
Package Included:
1x Pressure Relief Valve
Fix the issue
This MIL eliminator cleared my Mustang’s check engine light right away. Simple plug-and-play, and it’s been working perfectly. A smart fix for exhaust codes.
This auxiliary water pump was a direct fit for my A4. Installation was straightforward and it has resolved my coolant circulation issue completely. Works perfectly.
Fixed all my rear light issues instantly. A direct plug-and-play module that works perfectly. Highly recommended.
Good fit and finish.

Fits nice, easy to install. Looks great. No complaints.
grill looks amazing shipping was super fast, and seller is super friendly, second time ordering from them.
Soiled steel bumper and looks great!
Product received exactly as described. Seller has great communication throughout the whole process. Competitive price. Will look for seller again for parts in the future. Keep it up.
Perfect fitment 👌🏼 👌🏼 Very easy to install.
Perfect fit and quick delivery. Highly recommend 👌
Good quality
Perfect fit of the parts and excellent service.
Wonderful!!!
Got it today
This buck-boost module is perfect for custom power setups. Easy to adjust, stable output, and compact. Great for DIY projects that need reliable voltage control.
These catalytic converters fit my Accord perfectly. Easy install, and the engine light stayed off. Great OEM-quality replacement at a fair price.
This AFM disabler improved my truck’s throttle response noticeably. Easy plug-and-play install, though a guide for the indicator lights would help. Overall, it works great and makes driving smoother.
This MIL eliminator cleared my Mustang’s check engine light right away. Simple plug-and-play, and it’s been working perfectly. A smart fix for exhaust codes.
This carburetor made my KX450F start and run smoother instantly. Simple to install, and the throttle response is crisp now. A reliable OEM-style upgrade.
Bought for daughter’s truck. Finally got to install it . Causeshad down shifts when stopping. Installed several times and does the same thing. Removed and issue goes away. Will not be using.
Great looking item well made. Easy install!!
Fix the issue
Good
Part arrived timely, not tested