Cummins R2.8L Diesel Bypass Oil Filter Kit

Regular price $582.00

Filter Housing Color

This kit includes

  • "EXTREME1" bypass oil filter housing
  • 1 "EXTREME1" filter element
  • 2 In/Out fittings (S4MP6M)
  • 5 hose fittings (4 P6JF and 1 extra EP6JF)
  • 1 Oil pressure fitting (M10S)
  • 1 black cummins oil filler cap
  • 1 oil filler cap fitting (E28P6M)
  • 12ft of hose you can cut to your preference (HOS38)
  • 1 Zinc coated universal bracket with hardware (ZBrckX12)
  • 1 year Insane Diesel manufactured parts warranty


• Please refer to this custom installation and mounting guide for insight on how to mount our filter:

• Refer to our general installation guides for information on how to prepare to install our filter:

• Pressure port location is seen in the image below. The oil is easily returned through our oil filler cap. 

• Installation/assembly required by professional mechanic

USA Shipping: 
Free shipping for Extreme oil filter kits or Extreme kits with accessories added to the same order. Free shipping no longer applicable for filter accessories or elements. We ship using USPS priority shipping (unless notified or requested otherwise), tracking # will be automatically sent. 

International Shipping: 
International shipping cost is calculated during checkout, if you don't see your country as a shipping option please contact us. 

Returns Policy
Due to some abusing our past return policy we have laid out new rules: Please refer to the installation guide or general installation video before purchasing your kit, it's also best to confirm the pressure port and return port locations before purchasing a kit. We do not allow returns due to remorse or kits not matching your  engine model. Insane Diesel will always work with you to find alternative solutions to installation any kit on different model engines, our goal is to get the kit installed no matter what, please refer to our guarantee. 

DAMAGED PRODUCT RETURNS: All products are inspected before shipment and any damaged products must be photographed and reported within 4 business days from the delivery date. Only damaged products can be immediately replaced or returned for a refund. Damaged product returns must be wholly unused and they must arrive in original condition. A USPS  pre-paid shipping label will be sent to return damaged products. We want to make sure you’re happy with our product so please contact us if you have any questions about your return at
Cummins R2.8L Diesel Bypass Oil Filter Kit
Cummins R2.8L Diesel Bypass Oil Filter Kit
Cummins R2.8L Diesel Bypass Oil Filter Kit
Cummins R2.8L Diesel Bypass Oil Filter Kit
Cummins R2.8L Diesel Bypass Oil Filter Kit
Cummins R2.8L Diesel Bypass Oil Filter Kit