Buy 21765920 - Genuine Mack Exhaust Pipe - wisentpartscenter.com

Description

Overview
Exhaust pipe designed to route exhaust gases between exhaust system components while maintaining proper flow and sealing. Proper fit and integrity help support correct exhaust routing, reduce leaks, and maintain stable exhaust system performance.

Fitment

  • Verify fitment with us before ordering

Note: Verify fitment with us before ordering to ensure the correct part for your application.

Why buy from Wisent Parts
  • ⏱️
    Fast shipping
    Orders before 12PM EST ship same business day.
  • 🛡️
    180-day warranty
    All parts covered from delivery date.
  • ↩️
    Easy returns
    30-day returns.
  • ✅
    Verify fitment
    Send VIN/ESN and we’ll confirm.

Shop with confidence

Warrany & Return Information

Warranty Information

Wisent Parts offers a 180-day warranty on all parts from the date of delivery. This warranty covers orders placed directly through our website. If a part fails during this period, we’re here to help—whether it’s a replacement, repair, or refund. For full details, refer to the Warranty page.

Return Information

Wisent Parts accepts returns within 30 days of delivery. All returns are subject to a restocking fee. To qualify, parts must be unused and in their original condition. For full return instructions and restocking fee details, please refer to the Returns page.

Cummins

Genuine Cummins parts for heavy-duty trucks. Browse OEM Cummins turbochargers, turbo actuators, fuel injectors, fuel pumps, EGR components, sensors, and more for ISB 6.7L, ISX15, ISL 8.9L, and other Cummins diesel engines.

View all