Charge Air (CAC) Connectors

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For Reference Only - Some Applications May Vary.


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  1. Hose - Hump SGL 4X6 In. SILTU HE8699 - Paccar
    Price $41.11
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  2. Hump Hose, Cold Side CAC Assembly D50-1076 - Paccar
    Price $83.48
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  3. 2 Bend Offset Coolant Hose - 1.25 inch V50-1047-100200100 - Paccar
    Price $87.18
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  4. CAC Connector - Hot Side 4 In. DIA FLX7716 - FlexFab
    Price $30.71
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  5. CAC Connector - Hot Side 4 Inch DIA FLX7715-0002 - FlexFab
    Price $26.70
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  6. Duraguard Charge Air Connector - 4 Inch DIA FLX1070-0003 - FlexFab
    Price $48.11
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  7. End - Rod K124-305 - Kenworth
    Kenworth End - Rod K124-305
    Part# K124-305 OLD# -
    Price $66.84
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  8. Hose-Hump CAC Assembly Red D50-6039 - Paccar
    Price $73.51
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  9. CAC Connector - Hot Side 4 In. DIA FLX7723D - FlexFab
    Price $32.82
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  10. Hump Hose HE8716 - Paccar
    Paccar Hump Hose HE8716
    Part# HE8716 OLD# 05-17001
    Price $38.46
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  11. Hump Hose SGL 4-1/72X6 IN. D1029-4500 - Paccar
    Price $80.05
    Ships within 72 hours
  12. Hose - CAC 4 In. SIL Bellow X HE9622 - Paccar
    Price $31.63
    Ships within 72 hours
  13. Hose - Hump FLX7723HSE - Paccar
    Paccar Hose - Hump FLX7723HSE
    Part# FLX7723HSE OLD# -
    Price $77.06
    Ships within 72 hours
  14. Air Pipe A4600980539 - Detroit Diesel
    Price $13.21
    Ships within 72 hours
  15. Cover A4600900134 - Detroit Diesel
    Detroit Diesel Cover A4600900134
    Part# A4600900134 OLD# -
    Price $25.56
    Ships within 72 hours
  16. Zb Bracket A4600900041 - Detroit Diesel
    Price $24.43
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  17. Conn Assy 15300027 - Detroit Diesel
    Price $9.69
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  18. Conn 15300014 - Detroit Diesel
    Detroit Diesel Conn 15300014
    Part# 15300014 OLD# -
    Price $3.65
    Ships within 72 hours
  19. Terminal 12089040 - Detroit Diesel
    Price $1.60
    Ships within 72 hours
  20. Conn/Seal 12066317 - Detroit Diesel
    Price $19.23
    Ships within 72 hours
  21. Conn Second 12052850 - Detroit Diesel
    Price $1.89
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  22. Conn 12052816 - Detroit Diesel
    Detroit Diesel Conn 12052816
    Part# 12052816 OLD# -
    Price $2.20
    Ships within 72 hours
  23. Terminal 12048074D - Detroit Diesel
    Price $0.80
    Ships within 72 hours
  24. Term Ring 12034222 - Detroit Diesel
    Price $1.91
    Ships within 72 hours
  25. Connector-Non-Soldered Joints 12034074 - Detroit Diesel
    Price $5.02
    Ships within 72 hours
  26. Conn 2Way 12033769 - Detroit Diesel
    Price $8.28
    Ships within 72 hours
  27. Connector 12020833 - Detroit Diesel
    Price $2.03
    Ships within 72 hours
  28. Gasket - Charging A/C, OM457, EEV A4570980380 - Detroit Diesel
    Price $20.98
    Ships within 72 hours
  29. Hose - Silicone E/Nomex 4 X 6.5 FRE1020-0001 - FlexFab
    Price $35.71
    Ships within 72 hours
  30. Tube - Charge Air Cooler, P3, DD15, RH, M1400 01-28805-000 - Freightliner
    Price $58.78
    Ships within 72 hours
  31. Silicone Coolant Hose & CAC Connector - 90 Deg 7884-200 - FlexFab
    Price $34.51
    Ships within 72 hours
  32. Silicone Coolant Hose & CAC Connector - 90 Deg 7884-300 - FlexFab
    Price $52.74
    Ships within 72 hours
  33. Silicone Coolant Hose & CAC Connector - 45 Deg 7896-300 - FlexFab
    Price $41.61
    Ships within 72 hours
  34. CAC Connector - Hot Side 4.5 In. DIA FLX7742-0001 - Paccar
    Price $33.30
    Ships within 72 hours
  35. Ring Terminl 12089240 - Detroit Diesel
    Price $9.50
    Ships within 3 to 6 weeks
  36. Terminal - Ring, M8, 6 AWG, Isolate 23-14117-000 - Freightliner
    Price $10.53
    Ships within 3 to 6 weeks
1-36 of 41 Items
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Charge Air Cooler (CAC) Connectors and other replacement parts

Charge Air Cooler (CAC) connectors are used to join the hoses and pipes in the CAC system in trucks and semis fitted with turbocharged and supercharged engines. These connectors are designed to keep secure and efficient airflow of cooled, compressed air coming out of the CAC and into the engine.

CAC connectors, usually made out of silicone, rubber, and other heat-resistant materials, come in a range of shapes and sizes to accommodate for the specific requirements of different engines and CAC system configurations. Finding the right connector type for your vehicle is essential, which is why at Big Rig World, we keep a large selection of CAC connectors made by several industry-leading manufacturers.

Replacing old and damaged CAC connectors

Maintaining CAC connectors is very important to keep the charge air cooler working at an optimal level. Connectors prevent air leaks and maintain consistent boots pressure, improving engine performance and fuel efficiency. 

Routine inspections should be performed to check for any signs of CAC connector deterioration or damage, including any deformations or cracks. Check for loose or damaged clamps and make sure that the connections are all secure. If you notice any damage, replace the CAC connectors as soon as possible with high-quality parts.

The connectors should be tightly attached to the charge air cooler hoses and pipes - any loose connections can cause air leaks and negatively impact the performance of the CAC system, and lead to engine overheating.

Finding replacement parts for Charge Air Cooler (CAC) connectors

Always use high-quality CAC connectors made out of reliable materials that can withstand high temperatures, pressures, and vibrations associated with turbocharged and supercharged engines, in order to avoid malfunctions.

At Big Rig World, you’ll find a wide range of Charge Air Cooler (CAC) connectors and parts, including hump hoses, air cooler mount kits, pipes, gaskets, and more - all produced by industry-leading manufacturers and available at affordable prices with fast shipping.