Description
Universal 4-inch charge air cooler boot kit (World American WA911-14-5426) with the four silicone hot- and cold-side hoses and the eight clamps needed to replace cracked or oil-soaked CAC connections on most Class 8 chassis. Direct equivalent to Newstar S-29042 and the industry CAC-KIT / IND-CAC-KIT package, sized to the standard 4 in I.D. tube ends used by Cummins, Detroit, Mack, Volvo, and Paccar charge-air piping.
Signs You Need a New CAC Boot Kit
- Visible cracks, splits, or oil-soaked silicone in the intercooler hoses
- Loss of boost pressure or noticeable turbo lag during acceleration
- Hissing or whistling from the charge air piping under boost
- Active boost-pressure or charge-air leak DTCs at the dash
- Reduced engine power and falling fuel economy
Specifications
| Manufacturer | World American |
|---|---|
| Part Number | WA911-14-5426 |
| Part Type | Charge Air Cooler Boot / Hose Kit |
| Hose Inside Diameter | 4 in |
| Hose Length | 7 in each |
| Fitment | Universal — 4 in CAC tube connections |
Kit Includes
- Charge Air Cooler Hose, Hot Air Return, 4 in x 7 in (qty 2)
- Charge Air Cooler Hose, Cold Air Return, 4 in x 7 in (qty 2)
- 4 in T-bolt / worm-drive clamps (qty 8)
Cross References
This kit replaces or is equivalent to the following part numbers:
- Newstar: S-29042, S29042, IND-CAC-KIT
- Saginaw: CACKIT
- Industry / aftermarket: CAC-KIT, INDCACKIT, KIT4001DFX, CAC-KITC8T, MPGS-29042, ATX29042, CAC-KIT-RC, GTPCAC-KIT, ATP29042, 29042SS, VIPCAC-KIT, GTS29042, PSCAC-KIT
Applications
Universal CAC boot kit for Class 8 chassis with 4 in charge-air connections, including:
- Freightliner Cascadia, Century, Columbia, FLD, Classic
- Kenworth T600, T660, T680, T800, W900
- Peterbilt 379, 386, 387, 389, 579, 587
- International ProStar, LoneStar, 9400, 9900
- Volvo VNL, VNM
- Mack Pinnacle, Granite, Vision, CH
- Western Star 4900
Verify your CAC tube outside diameter and the hose length needed before ordering to confirm fitment.
