Cummins 3686752 OEM Bellows | ISX15 Turbo Exhaust Flex Tube Coupling Pipe For Sale - New and Used

3686752 – Cummins OEM Bellows / Exhaust Flex Tube

Genuine Cummins exhaust bellows used in ISX15 engines to connect sections of the turbocharger exhaust system. Designed to absorb vibration, reduce stress on the exhaust manifold, and provide flexibility under thermal expansion.

• Part Number: 3686752

• Brand: Cummins OEM

• Type: Turbocharger Exhaust Bellows / Flex Coupling

• Material: Stainless steel inner and outer mesh with internal liner

• Application: ISX15 exhaust manifold or turbo outlet

• Condition: Brand new OEM part

• Packaging: May ship in bulk or original Cummins packaging

• Core Charge: None

✅ Direct from Cummins — not aftermarket or remanufactured.

🚛 FITMENT DETAILS

Compatible with:

• Cummins ISX15 (EPA10, EPA13, EPA17)

• Used in turbo-to-DOC pipe or exhaust crossover connections

• Often found on:

  • Kenworth T680, T880, W900

  • Peterbilt 579, 386, 389

  • Freightliner Cascadia

  • International ProStar, LT625

Send VIN or ESN to verify exact fitment.

🧩 FITMENT NOTE

ATTENTION!
If you\'re not sure about the part number you need, we\'re here to help.
To ensure you receive the correct part, please provide:

1. Year

2. Make

3. Model

4. Last 8 digits of the VIN
   – OR –
   Engine Serial Number (ESN)

We\'ll confirm compatibility quickly and accurately.

📦 CONDITION

Brand new and unused. OEM packaging or repack. No core required.

🚚 SHIPPING & SUPPORT

• Fast shipping – ships within 1 business day

• Carefully packed for protection

• Expedited shipping available at additional cost — message before purchase

• Questions? Message us anytime — we respond quickly!

🏢 LOAD RUNNER DIESEL SUPPLY

With over 15 years in the diesel parts industry, we have access to thousands of OEM and aftermarket parts for all major makes and models.
If you don’t see what you need — send us a message. We’ll track it down and keep your rig rolling.

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