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5PCS Common Rail Fuel Injector Block-Off Caps - 12mm 14mm 16mm 18mm 20mm Diesel Fuel Line Cap Fits for 2001-2022 Dodge Cummins Engine &Chevy GMC Duramax and Ford Engines

  • Based on 5 reviews
Condition: New
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Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon

Arrives Saturday, Sep 13
Order within 2 hours and 47 minutes
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Features

  • These 12mm 14mm 16mm 18mm 20mm caps used to block off the fuel rail during fuel pressure diagnostics, works on 2003-2022 Cummins, 2001-2022 Duramax, and 2008-2022 Ford engines, also can works on others with same injector lines. Replaces part # 10810
  • The fuel injector caps can helps in identification of faulty injectors and also used to identify engine knock sounds, designed to effectively block fuel supply to cylinders or seal the common rail pipe
  • To identify the individual defective cylinder, you can remove the diesel fuel injection line from the cylinder and install this replacement cap on the fuel rail line
  • Constructed of high-quality carbon steel, antirust processed. High strength for ensuring perfect application
  • Includes M12x1.5(12mm) Cap, M14x1.5(14mm) Cap, M16x1.5(16mm) Cap, M18x1.5(18mm) Cap & M20x1.5(20mm) Cap

Brand: Mysttoo


Material: Carbon Steel


Exterior Finish: Machined


Item Weight: 231 Grams


Automotive Fit Type: Vehicle Specific Fit


Brand: ‎Mysttoo


Material: ‎Carbon Steel


Exterior Finish: ‎Machined


Item Weight: ‎231 Grams


Automotive Fit Type: ‎Vehicle Specific Fit


Manufacturer: ‎‎Mysttoo Worldcross


Model: ‎Injector Tester Tools


Item Weight: ‎8.1 ounces


Package Dimensions: ‎4.33 x 3.94 x 1.18 inches


Country of Origin: ‎China


Item model number: ‎MYSTO-TTO-1191


Manufacturer Part Number: ‎MYSTO-TTO-1191


Date First Available: March 12, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Sep 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Does not fit 2011 Chevrolet Duramax fuel rails
Size: 5PCS
Non of the plugs fit the 2011 Chevrolet Duramax. One was close but too large diameter to sit all the way down in the rails.
Reviewed in the United States on June 2, 2025 by William S.

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