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Clower Automotive in Manchester, TN partners with JASPER® in providing our diesel drivers with fuel & air components. JASPER® has been remanufacturing quality products since 1942 and is the nation's largest remanufacturer of fuel & air components, gas, and diesel engines, transmissions, differentials, rear axle assemblies, marine engines, sterndrives, performance engines, and electric motors. 

Our shop is proud to provide JASPER® Fuel & Air Components for the CAT C7 HEUI and the Cummins 6.7L Fuel & Air Systems that meet or exceed OEM measured standards. JASPER® products have a nationwide transferable part and labor warranty that gives you peace of mind knowing you're getting a reliable product. JASPER® performs extensive research and development throughout its remanufacturing processes producing high-quality, reliable products, by correcting inherent design issues of the original component. In addition to available updates, they also implement those developments in training with JASPER® technicians and in conjunction with their high-quality component vendors. 

JASPER® remanufactured Cummins 6.7 Fuel and Air Components are built to exact requirements in order to meet or exceed OEM measured standards and have a nationwide transferable part and labor warranty making them your best option for replacement. 

Cummins 6.7L Holset Front Gear Turbo Provides:

  • 100% new bearings and seals
  • 100% tested speed sensors
  • Plug and play setup
  • JASPER® 100% installs a cleaning port in the Cummins 6.7L turbo. This allows periodic cleaning of the turbine housing and nozzle ring to prevent soot build-up and increase longevity.
  • 100% installation of stainless steel cup plugs prevents corrosion and leaking.
  • Actuators are remanufactured and calibrated for optimal performance and function of the VGT mechanism.
  • JASPER performs component balancing to ensure the highest quality product.
  • Turbine shafts are balanced individually and with the compressor wheel attached, prior to being assembled in the housing.
  • High-Speed Core Balancer spins the center section at 70,000 RPM to ensure correct balance, assembly, and integrity of rotating assembly at operational speeds.
  • Turbine shafts and bearing housings are inspected with a profilometer to ensure an RA surface finish of 35 or less to verify a smooth surface and reduce friction.
  • JASPER uses a bore gauge to ensure proper clearance of oil between the bearing and the bearing housing.

Bosch CP3 High-Pressure Fuel Pump:

  • JASPER remanufactures the Cummins 6.7L High-Pressure Fuel Pump using 100% OE parts
  • 100% new gaskets and seals are installed
  • Remanufactured and calibrated to the latest specifications for performance, longevity and emission compliance
  • Tested on a Bosch EPS 815 to ensure proper pressure
  • Bosch Injector
  • Bosch Certified

JASPER is a service dealer for Bosch products and that partnership affords our technicians here at Clower Automotive in Manchester the opportunity to provide our diesel drivers with high-quality replacement parts with a full warranty!

JASPER® remanufactured CAT C7 HEUI Fuel and Air Components are built to exact requirements in order to meet or exceed OEM measured standards and have a nationwide transferable part and labor warranty giving our drivers here in Manchester the best option for high-quality replacements. 


  • Precise reassembly standards to OE specs, torques and orientation
  • All parts are thoroughly evaluated for thermal distortion, shaft straightness, thread damage, and crack detection to ensure the best quality product
  • 100% New bearings, seals and O-rings are installed
  • Rigid adherence to strict documented standards ensure consistent quality
  • High-Speed Core Balancer spins the center section at 70,000 RPM to ensure correct balance, assembly and integrity of rotating assembly at operational speeds

CAT C7 HEUI Injector:

  • A new, unique trim code is included to provide optimum performance and increased fuel efficiencies while reducing emissions
  • 100% surface lapping of critical components to ensure the pressure sealing of sub-assemblies
  • 100% New O-rings installed for proper sealing

CAT C7 HEUI High-Pressure Oil Pump:

  • JASPER® remanufactures the CAT C7 HEUI High-Pressure Oil Pump with an updated IPR Assembly
  • 100% New gaskets, O-rings, and seals are installed
  • Tested to ensure proper pressure

JASPER  Engines Celebrates 75th anniversaryTalk to our team of experienced technicians today here at Clower Automotive in Manchester, TN for more information on JASPER® CAT C7 HEUI and the Cummins 6.7L fuel and air system components. Discover the difference quality can make combined with a nationwide - transferrable warranty by JASPER Engines who has been leading the industry since 1942 and "Perfecting the Art of Remanufacturing" in the USA.

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Clower Automotive

1406 McArthur St
Manchester, TN 37355
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Friday: 8:00 AM - 6:00 PM
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