DiigParr Fuel Pump 5362271 4935007 Fits for Cummins Engine 8.3L ISC QSC ISX

Replace Part Number: 5362271, 4935007, 3949093, 3944386, 3943778

Condition: new, replacement

Fit for Cummins Engine:8.3L, ISC, QSC, ISX, C-Series, 4B3.9, 6A3.4, 6B5.9, CM556, B4.5, B4.5 CM2350 B129B, B4.5 CM2350 B146C, B4.5 CM2350 B147B, B4.5 RGT, B4.5S, B5.9 G,B5.9 Gas Plus CM556, B5.9 LPG, B5.9 LPG Plus CM556, B6.7 CM2350 B121B, B6.7 CM2350 B135B, B6.7 CM2350 B136C, B6.7 CM2350 B148B, B6.7 G CMOH6.0 B125, B6.7N CM2380 B150B, B6.7S, ISB CM2150, ISB CM2150 E, ISB CM550, ISB CM850,ISB/ISD4.5 CM2150 B119, ISB/ISD4.5 CM2150 SN, ISB/ISD6.7 CM2150 B120,ISB/ISD6.7 CM2150 SN, ISB/ISD6.7 CM2880 B126, ISB3.9 CM2220 B107, ISB4.5 CM2150, ISB5.9G CM2180, ISB6.7 2010 DCX Pickup, ISB6.7 2013 DCX Chassis Cab,ISB6.7 CM2150 SQ, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 CM2350 B103,ISB6.7 CM2350 B142, ISB6.7 CM2670 B153B, ISB6.7 G CM2180 B118, QSB3.9 30 CM550, QSB3.9 CM2880 B138, QSB4.5 30 CM550, QSB4.5 CM2150 B108, QSB4.5 CM2250 B131, QSB4.5

• DiigParr Fuel Pump 5362271 4935007 is engineered for Cummins heavy-duty diesel engines, including 8.3L ISC, QSC, and ISX models.
• This OEM-compatible component delivers reliable fuel delivery under demanding operating conditions, ensuring consistent engine performance and efficiency.
• Built to meet stringent industrial standards, it provides dependable operation for commercial trucks, construction equipment, and industrial applications.
• Direct fit design minimizes installation complexity while maintaining system integrity.
• Choose this fuel pump for proven durability and optimal fuel system functionality in your Cummins-powered equipment.

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.

Warranty: Our parts are covered for 6 months warranty without limitation on miles or hours of operation. Our parts are warranted on a parts-replacement-only basis. For more information, please view our warranty policy.