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    Peterson Fluid Systems R4 Dry Sump Oil Pump, 4 Stage | Left Side, 1.4 in Pressure, 1.400 in Scavenge, Rear Drive | 04-4066

    Vendor: Peterson Fluid
    Part Number: 04-4066
    Regular Price $2,108.99

    In Stock

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    Peterson Fluid Systems 04-4066 is a 4 stage R4 dry sump oil pump with a left side mount, a 1.4 in pressure section, 1.400 in scavenge rotors, a single return and a rear drive. It has 1 pressure section and 3 scavenge sections. The body is CNC machined 6061 T6 billet aluminum with twisted 4 lobe aluminum rotors in all sections, an internal scavenge manifold and shallow depth screw-in fittings, and it uses a tab mounting system.

    Notes:

    • The right side version of this pump is 04-4076.

    Specifications:

    • Brand: Peterson Fluid Systems
    • Part Number: 04-4066
    • Pump Type: R4 dry sump oil pump
    • Stages: 4 (1 pressure, 3 scavenge)
    • Pressure Section: 1.4 in
    • Scavenge Rotors: 1.400 in
    • Return: Single
    • Mounting: Left side, tab mounting system
    • Drive: Rear drive
    • Rotors: Twisted 4 lobe, aluminum
    • Scavenge Manifold: Internal
    • Material: 6061 T6 billet aluminum, CNC machined

    FAQ

    How many stages does the Peterson Fluid Systems 04-4066 have?

    The 04-4066 is a 4 stage dry sump pump, made up of 1 pressure section and 3 scavenge sections.

    What size are the pressure and scavenge sections on the 04-4066?

    It has a 1.4 in pressure section and 1.400 in scavenge rotors, with a single return.

    Which side does the 04-4066 mount on?

    It is the left side mount version and uses the R4 tab mounting system. The right side version of this pump is 04-4076.

    What is the 04-4066 made of?

    The pump is CNC machined from 6061 T6 billet aluminum and uses twisted 4 lobe aluminum rotors in every section.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
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    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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