• Cummins 3966430 camshaft angled side view
  • Cummins 3966430 camshaft side profile view
  • Cummins 3966430 camshaft end close-up
  • Cummins 3966430 camshaft opposite angle view
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Cummins

3966430 - Camshaft for Cummins ISC 8.3L / ISL 8.9L

$599.00
$599.00
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Part Number
3966430
Brand
Cummins
Condition
New
SKU
WP20383
In Stock
Have a question? Call us at (877) 295-4899

Overview
This camshaft is designed for Cummins ISC 8.3L and ISL 8.9L engine applications and serves as a key valvetrain component within the engine assembly. It helps control valve timing and supports proper intake and exhaust operation, contributing to consistent engine performance, combustion timing, and overall reliability.

Fitment

  • Cummins ISC 8.3L
  • Cummins ISL 8.9L

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

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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

Product 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.