DiigParr 12V 10T Starter Motor 280-3784 2803784 for Mitsubishi Engine S3Q2 S4Q2T Fits for Caterpillar CAT Excavator 303.5C 303.5D 303C 304C 304D 305.5D 305C 305D
Replace Part Number:
CAT: 280-3784, 2803784, CA2803784, 6110015812544
LUCAS: LRS02218, LRS2218
MITSUBISHI: M2T66271, 32A66-10100, 32A66-10101, 32A6610100, 32A6610101,
32A6610600, 32A6620601, 32A6630600, M008T70371, M008T71571, M008T75171,
M8T70371, M8T71571, M8T75171
FARCOM: 107711
Specification:
Voltage (V): 12
Kilowatt (kW): 2.2
Teeth: 10
Fit For Mitsubishi Engine: S3Q2, S4Q2T
Applications:Fit For Caterpillar CAT Excavator: 303.5C, 303.5D, 303C CR, 304C CR, 304D CR, 305.5D, 305C CR, 305D CR
- DiigParr 12V 10T Starter Motor 280-3784 High-performance starter motor engineered for Mitsubishi S3Q2 and S4Q2T engines.
- This 12V unit delivers reliable cold-start performance across demanding construction equipment applications.
- Direct OEM replacement for Caterpillar CAT excavators including 303.5C, 303.5D, 303C, 304C, 304D, 305.5D, 305C, and 305D models.
- Built to withstand heavy-duty jobsite conditions with robust construction and precise specifications.
- Part number 280-3784 ensures exact fitment and compatibility. Essential component for maintaining peak equipment performance and minimizing downtime on your fleet.
Orders are delivered within 4–9 business days, including 1–2 business days for processing and 3–7 business days for shipping, depending on the destination and carrier.
We currently ship within the United States only.
Shipping Carriers
We ship via trusted carriers such as FedEx, DHL, and UPS.
Shipping Charges (USA Orders)
Orders over $299: Free shipping.
Orders $299 or below: Flat shipping fee of $28.99.
Return &Refund policy
We want you to be completely satisfied with your purchase. If for any reason you are not, you may request a return within 30 days from the date of delivery.
Return Conditions
- All returns require a Return Authorization Number (RAN), which you can obtain by contacting our customer service team.
- Items must be returned in their original condition and packaging.
- Returns must be shipped back within 30 days after the RAN is issued.
- Customers are responsible for return shipping costs unless the return is due to our error (e.g., incorrect or defective item).
Return Label
- Once your return request is approved, we will provide a return shipping label.
- The label can be downloaded and printed from the instructions sent to your email.
- The cost of return shipping is the customer’s responsibility, unless the return is due to our error (e.g., incorrect or defective item).
Restocking Fee
- A 10% restocking fee may apply to returns that are not the result of our error.
Defective or Damaged Items
- If your item arrives damaged or defective, please contact us immediately.
- Returned items will be inspected. If confirmed defective, we will, at our discretion:Replace the item at no cost, orIssue a full refund including shipping costs.
- If the item is found to be in working condition, the standard restocking fee may apply.
Non-Returnable Items
- Items damaged due to misuse, alteration, or improper handling cannot be returned or refunded.
How to Request a Return
To request a return, please contact our customer service team with:
- Order number
- Part number & product description
- Photos of the product and packaging
- Reason for return
Refund Processing
- Refunds are issued to the original payment method.
- Please allow 5–10 business days after we receive your return for processing.
