How do I confirm pilotpart388856 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

New Starter Replacement For 1988-1993 Dodge 5.9L Diesel Cummins D250 D350 W25 W350, Replacement For 4428221, 3604630RX, 3912084, 3935890, 128000-4911, SND0042, 41052011, 41052011R

For W350 Starter Motor

Starter Motor 4428221 for W350 L6 5.9L Engine

OEM / REF: 4428221SKU: pilotpart388856

New Starter Replacement For 1988-1993 Dodge 5.9L Diesel Cummins D250 D350 W25 W350, Replacement For 4428221, 3604630RX, 3912084, 3935890, 128000-4911, SND0042, 41052011, 41052011R is a Starter Motor replacement part indexed for Part Number and W350 · L6 5.9L · 1989-1993, with 3 application records on file. Match OEM...

Stock: In stock
Condition: New
Fitment: W350 Engine Spare Parts
Category: Starter Motor

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$427.99USD/EA

~~$60,899.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 23 – Oct 30
10	Oct 21 – Oct 28
50	Oct 19 – Oct 26

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Starter Motor Description

This Starter Motor is indexed for Part Number; W350 · L6 5.9L · 1989-1993; W250 · L6 5.9L · 1989-1993; D350 · L6 5.9L · 1989-1993. Compare reference number 4428221 against the label on your existing W350 component before ordering.

Additional cross references on file: 3604630RX, 3912084, 3935890. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4428221 3604630RX 3912084 3935890 128000-4911 SND0042 41052011 41052011R

Applications

Part Number
W350 · L6 5.9L · 1989-1993
W250 · L6 5.9L · 1989-1993
D350 · L6 5.9L · 1989-1993
D250 · L6 5.9L · 1989-1993

Specifications

Part Number	4428221, 3604630RX, 3912084, 3935890, 128000-4911, SND0042, 41052011, 41052011R

Fitment Notes

Brand or application signal: W350 Engine Spare Parts
Product family: Starter Motor
System category: Engine Spare Parts > Engine Auxiliary Components > Starter Motor
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.