Buy 21041938 - Genuine Mack Transmission Shift Air Slave Valve - wisentpartscenter.com

Description

Overview
Transmission shift air slave valve designed to regulate and route compressed air used to actuate transmission shift functions in pneumatic shift control systems. Proper valve operation supports consistent shift response and reliable air system control under varying operating conditions.

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

This item is a special order item and is not eligible for return, refund, exchange, or cancellation once the order has been placed. Please verify fitment with us before ordering. If you are unsure whether this part fits your vehicle, contact us with your VIN or vehicle details before purchase. Final sale return restrictions apply.

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