• 3790798 | Genuine Cummins® Turbo Actuator-Wisent Parts
  • 3790798 | Genuine Cummins® Turbo Actuator-Wisent Parts
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Cummins

4034397 - Turbo Actuator for Cummins ISL/ISC 8.9L

$1,599.00 USD
$1,599.00 USD
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Part Number
4034397
Brand
Cummins
Condition
New
SKU
WP20083
In Stock
Have a question? Call us at (877) 295-4899

Overview
Turbo actuator designed to control variable-geometry turbocharger (VGT) vane position for accurate boost management and responsive drivability. Proper actuator operation supports stable performance under load and helps maintain correct turbo operation across operating conditions.

Fitment

  • Cummins ISL/ISC 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

Cross References / Supersessions
3778620, 3778624, 3784301, 3785181, 3788934, 3788938, 3790798, 4034091, 4034091NX, 4034091RX, 4034176, 4034176H, 4034176NX, 4034176RX, 4034301HX, 4034310, 403431000, 403431000HX, 4034310H, 4034310NX, 4034310RX, 4034397, 4034397NX, 4034397RX, 4635058, 5352001, 5352001RX, 5452687, 5452690, 5496045, 5496045H, 5496045HX, 5496045RX, 5501181, 5501181H, 5501181HX, 5501181KX, 5501181RX, 6374773, 6374773RX, 6382091, 6382091H, 6382091HX, 6382091NX, 6382091RX, 6476163, 6476163NX, WP20083
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.