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    • Clevite H-Series Connecting Rod Bearing — GM Duramax 6.6L Diesel V8 | 0.25mm Undersize, Sold Each | CB1805H25MM
    • Clevite H-Series Connecting Rod Bearing — GM Duramax 6.6L Diesel V8 | 0.25mm Undersize, Sold Each | CB1805H25MM
    • Clevite H-Series Connecting Rod Bearing — GM Duramax 6.6L Diesel V8 | 0.25mm Undersize, Sold Each | CB1805H25MM
    • Clevite H-Series Connecting Rod Bearing — GM Duramax 6.6L Diesel V8 | 0.25mm Undersize, Sold Each | CB1805H25MM
    • Clevite H-Series Connecting Rod Bearing — GM Duramax 6.6L Diesel V8 | 0.25mm Undersize, Sold Each | CB1805H25MM
    • Clevite H-Series Connecting Rod Bearing — GM Duramax 6.6L Diesel V8 | 0.25mm Undersize, Sold Each | CB1805H25MM
    • Clevite H-Series Connecting Rod Bearing — GM Duramax 6.6L Diesel V8 | 0.25mm Undersize, Sold Each | CB1805H25MM

    Clevite H-Series Connecting Rod Bearing — GM Duramax 6.6L Diesel V8 | 0.25mm Undersize, Sold Each | CB1805H25MM

    Vendor: Clevite77
    Part Number: CB-1805H-25MM
    Regular Price $27.99

    Currently out of stock.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
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    This Clevite H-Series connecting rod bearing is a 0.25 mm undersize bearing for the GM Duramax 6.6L diesel V8. Clevite H-Series performance bearings use a medium level of eccentricity, high crush, a hardened steel back and a thin overlay, and are made without flash plating for better seating. They are intended for crankshafts with oversize fillets and for engines that run in the medium to high RPM range. It is sold individually.

    Specifications:

    • Type: Connecting rod bearing, H-Series (sold each)
    • Construction: tri-metal with hardened steel back and thin overlay
    • Size: 0.25 mm (0.010 in) crankshaft undersize
    • Engine: GM Duramax 6.6L diesel V8
    • Part number: CB1805H25MM

    Engine Application: GM Duramax 6.6L diesel V8. The source listing does not state a year range, so confirm your engine before ordering.

    FAQ

    What engine does the Clevite CB1805H25MM fit?

    It fits the GM Duramax 6.6L diesel V8.

    What does 25MM mean in this part number?

    It marks 0.25 mm (0.010 in) crankshaft undersize, made for a crankshaft whose journals have been ground under standard by that amount. Measure the journals before ordering.

    Is this sold as a set?

    No, it is sold individually (each). The Duramax V8 uses eight connecting rod bearings, so order eight for a complete engine.

    What does H-Series mean?

    H-Series is Clevite's performance bearing line. It uses a harder, higher-crush tri-metal construction designed for medium-to-high RPM use and crankshafts with oversize fillets.

    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.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    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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