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Engines and Components› Engine Bearings

ACL

ACL VW/Audi 1781cc/1984cc Standard Size High Performance w/ Extra Oil Clearance Main Bearing Set

$105.09 $61.82 Save $43.27

SKU: A002 5M1644HX-STD

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In Stock
Ships by Sep 1
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$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The ACL 5M1644HX-STD is a set of race series main bearings designed for VAG group 4-cylinder engines. These bearings feature a tri-metal construction and offer +0.001" extra oil clearance.

This set includes upper and lower half bearings, with specific dimensions for shaft and tunnel sizes. The Extra clearance is beneficial for high-performance applications.
Show original supplier description

Part #: 5M1644HX-STD

This Main Bearing Set include 6 bearings with oil grooves and 4 without. The #4 journal will receive the oil groove on both sides of the journal, the rest have a grooved bearing on the block side only. See shell diagrams showing #4

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandACL
Part NumberA002 5M1644HX-STD

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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