DiigParr Fuel Injection Pump 5398557 4983416 Fit for Cummins Engine B3.3 B4.5 B6.7 ISB ISB6.7 ISD6.7 QSB3.3 QSB4.5 QSB6.7
Replacement Part Number:5398557, 5398557RX, 4983416, 4983416NX, 0445020300, 0 445 020 300,0445020113, 0 445 020 113
Fit for Engine: Cummins B3.3, B4.5, B4.5 CM2350 B146C, B4.5 CM2350 B160M,B4.5 CM2350 B161M, B6.7 CM2350 B121B, B6.7 CM2450 B155B, B6.7 CM2450 B177C,ISB CM2150, ISB CM2150 E, ISB/ISD4.5 CM2150 B119, ISB6.7 CM2150 B120, ISD6.7CM2150 B120, ISB6.7 CM2150 SN, ISD6.7 CM2150 SN, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISBE4 CM850, ISL CM554, ISL9 CM2150 SN, L9 CM2350 L116B, QSB (Komatsu),QSB3.3 CM2150, QSB3.3 CM2250 EC, QSB4.5 CM2250 EC, QSB4.5 CM2350 B106, QSB4.5 CM2350 B122, QSB6.7 CM2250, QSB6.7 CM2250 EC, QSB6.7 CM850(CM2850), QSB6.7 M CM2250, QSB7-DM CM850, QSG12/X12 CM2350, QSG12/X12 CM2350 G110
- DiigParr Fuel Injection Pump engineered for Cummins diesel engines including B3.3, B4.5, B6.7, ISB, ISB6.7, ISD6.7, QSB3.3, QSB4.5, and QSB6.7 models.
- Compatible with OEM part numbers 5398557 and 4983416.
- This precision-engineered component delivers reliable fuel atomization and combustion efficiency, critical for maintaining engine performance and fuel economy.
- Built to OEM specifications for direct fitment and seamless integration with your Cummins powerplant.
- Ideal for fleet maintenance, engine rebuilds, and performance restoration applications.
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.
