Cummins

Cummins Remanufactured 28MT Starter 12 Volt CW 10 Tooth 3604654RX

SKU: CU-3604654RX
Backordered – call for lead time

⚠ Call for Availability

Expected ship time: varies by supplier — call for current lead time.

Call: (503) 235-1947 | Email Us: info@dfispdx.com

$615.54
-9% $675.76 $615.54
+ $120 refundable core
Refundable Core Charge Applies

How Core Charges Work

This part carries a $120.00 refundable core charge, added to your order at checkout. Return your old part and we refund it to your original payment method.

What is a core?

A core is your original used part — the one this new or remanufactured unit replaces. The core charge keeps rebuildable parts in circulation and keeps prices down for everyone.

Core charge refund timeline

Based on when we receive your core:

  • 0 – 21 days100% refund
  • 22 – 60 days80% refund
  • 61 – 90 days50% refund
  • Over 90 daysNot guaranteed — at DFIS's discretion

All cores are inspected on arrival. Incomplete, damaged or non-rebuildable cores may be denied credit or receive partial credit at our discretion. Refunds are processed within 3–7 business days after inspection.

How to return your core

  1. Download the Core Return Slip and fill in your order and part information.
  2. Drain all fluids (oil, fuel, coolant) from the core.
  3. Reinstall any plugs or caps that came with the new part.
  4. Wrap the core in a plastic bag so it can't leak, then pack it — in the new part's original box if you still have it — and secure it so it can't shift.
  5. Put the completed slip inside the box.
  6. Ship via UPS, FedEx, USPS or freight for large items. Insurance is recommended on high-value cores.
  7. Email your tracking number to returns@dfispdx.com.

Important: a core refund can't be guaranteed without the completed slip inside the package and a tracking number.

Cores we can't accept

  • Severely rusted or damaged beyond reuse
  • Missing critical components
  • Not drained of fluids
  • Improperly packaged or leaking

Core department: returns@dfispdx.com  ·  503-235-1947

Full RMA & Core Returns Policy
Core return icon

I acknowledge a $120 Core Charge will be added to my order. Core Refunds are issued after the eligible core is returned and approved. This $120.00 fee will be added to your cart.

Have a question about this part? We'll answer it.

Shipping policyReturns & core returnsQuestions? Call (503) 235-1947

Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Got Questions? Feel free to email us or call us at (503) 235-1947

Key Features

  • Delco Remy 28MT starter motor
  • 12 volt system voltage
  • Clockwise rotation, 10 tooth pinion
  • Remanufactured and supplied on an exchange basis

Confirm rotation, tooth count, mounting flange and system voltage against the starter currently fitted before ordering, since 28MT starters are built in several configurations.

Product Details

  • Brand: Cummins
  • Manufacturer Part Number: 3604654RX
  • Starter Model: Delco Remy 28MT
  • Voltage: 12V
  • Rotation: Clockwise
  • Pinion: 10 tooth

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Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 0.0

Shipping Length: 0.0

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California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.