Buy Genuine CAT DEF Injector Assembly Side - wisentpartscenter.com

Description

Overview
DEF injector assembly designed to meter and inject Diesel Exhaust Fluid into the exhaust stream to support SCR operation and emissions control. Proper injection helps maintain efficient aftertreatment performance and consistent dosing under varying engine loads.

Fitment

  • Verify fitment by part number

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.

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