wp20553 - Genuine International Air Control Valve - 1 - wisentpartscenter.com

Description

Genuine International 1891462C93 Air Control Valve is a 12-volt exhaust brake valve assembly used to control air flow within the engine braking system. International catalogs identify the current 7088657C91 version as an exhaust brake valve.

Key Functions

- Controls pneumatic operation of the exhaust brake system.
- Responds to the engine brake control command.
- Directs air pressure to the exhaust brake actuator circuit.
- Supports consistent engine-braking response during deceleration.

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

Purpose of the Part

The 1891462C93 controls air pressure used by the exhaust brake system so the commanded braking function can engage and release as required during vehicle deceleration.

Issue Symptoms / When to Replace

- Exhaust brake does not engage.
- Weak or intermittent engine-braking response.
- Air leakage from the valve assembly.
- Electrical or control-circuit faults related to exhaust brake operation.
- Exhaust brake remains engaged or responds inconsistently.

Brand Information

International supplies OEM components for its commercial trucks, buses, engines, and powertrain systems. This valve is cataloged by International/Navistar specifically within the exhaust brake system.

Installation Notes

Verify proper air supply and electrical command before replacing the valve.

How to Identify an OEM Part

Identify 1891462C93 by the International/Navistar part-number marking and label on the valve assembly.

Why Buy 1891462C93 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

Warranty & 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.