- Returns within 30 days
- 12 month warranty
- Fitting available
PDI | Big Boss Charge Air Cooler Boot Kit
- Fits Kenworth
- Fits Freightliner
- Fits Peterbilt
Call for price
Call for price
This part is priced on request. Call or text us and we’ll give you a price and lead time.
Will it fit your vehicle?
| Make | Model | Series | Years | Engine | Notes |
|---|---|---|---|---|---|
| Kenworth | — | — | — | — | generic 4in CAC boots; 'fits most truck applications' |
| Freightliner | — | — | — | — | generic 4in CAC boots; 'fits most truck applications' |
| Peterbilt | — | — | — | — | generic 4in CAC boots; 'fits most truck applications' |
A dash means the listing does not narrow it down that far (for example no build dates are listed). Check with us if your vehicle was built near a model change.
Fitment listings are a guide. Not sure? Send us your rego or VIN and our team will check the part for your vehicle, before or after you order.
Check my fitmentor call(07) 5619 7869or text0485 885 957oremail us
Description
PDI | Big Boss Charge Air Cooler Boot Kit
Please contact us for product pricing.
PDI Big Boss charge air cooler (CAC) boots are designed with performance in mind! Rated for higher temps with reinforced construction our boots will meet the demands of your truck!
- 4 Ply Reinforced Construction
- Temperature Range up to 525 degrees
- UV Resistant
- 4″ Diameter
- 6″ Overall length
- 3 Stainless Support Rings
Kit includes 4 Big Boss boots and 8 High Quality Stainless Steel Clamps for installation. Fits most truck applications including Peterbilt, Kenworth, Freightliner, and more!
4×6 Inch or 4×8 Inch available.
Specifications
| Brand | PDI |
|---|---|
| 4x6 Inch or 4x8 Inch options | 4x6 Inch, 4x8 Inch |
| SKU | pdi-big-boss-charge-air-cooler-boot-kit-2 |
| Shipping weight | 1 kg |
| Shipping dimensions | N/A |
Warranty: 12 months from Willys Workshop
Sold and warranted by Willys Workshop. Parts carry our 12-month warranty against defects, from the date of purchase or installation (whichever is later), subject to any manufacturer terms and fair wear and tear (Terms & Conditions, clause 7.1(b)). This is in addition to your rights under the Australian Consumer Law, which cannot be excluded.
- 30-day change-of-mind returns on eligible items: unused, uninstalled and in the original packaging, with a Return Authorisation from us first. A 15% restocking fee applies and return postage is at your cost.
- Wrong fit: if a part covered by our Fitment Guarantee doesn’t fit, we pay the return freight both ways and there’s no restocking fee.
- Special-order or imported-to-order items, electrical parts, ECUs and tuners once registered, connected or flashed, parts that have been fitted or modified, and clearance items can’t be returned for change of mind. Your rights for faulty goods still apply.
- Refunds are made to your original payment method within 14 business days of us receiving and inspecting the return.
Full details: Returns & Refund Policy and Terms & Conditions.
Warranty claims are coordinated through Willys Workshop. Email sales@willysworkshop.com.au or call Warana (07) 5619 7869 / Oxley (07) 3377 3421 with your order number and a description of the issue.
Shipped Australia-Wide
- Dispatched from within Australia with tracking.
- Same-day dispatch on in-stock orders placed before 11am AEST, Monday–Friday.
- Shipping is calculated at checkout based on size, weight and your delivery address.
- Delivery usually takes 2–10 business days after dispatch, depending on your location.
- Need your tracking number? Once your order has shipped, email sales@willysworkshop.com.au with your order number and we’ll send you the carrier and tracking details.
Freight question? Call us on (07) 5619 7869.
PDI | Big Boss Charge Air Cooler Boot Kit Please contact us for product pricing. PDI Big Boss charge air cooler (CAC) boots are designed with performance in mind! Rated for higher temps with reinforced construction our boots will meet the demands of your truck!





