Engines and Components› Engine Bearings

ACL

High Performance Engine Bearing Set

$49.99

SKU: 4B1606HXSTD

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Overview

The ACL 4B1606HXSTD is a standard size high performance engine bearing set. It features a tri-metal construction with hardened steel backs.
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The ACL 4B1606HXSTD is a standard size high performance engine bearing set designed for demanding applications. Constructed with advanced tri-metal materials and hardened steel backs, these bearings offer superior strength and support for high RPM conditions. The high-strength overlay plate features a reduced thickness to enhance fatigue properties, ensuring durability under stress. Key specifications include a standard size (STD) with an additional +0.001" oil clearance for optimal lubrication. The identical halves and precise dimensions, such as a minimum standard shaft size of 1.8802 in and a minimum standard tunnel size of 1.9921 in, ensure a precise fit. The maximum wall at the crown is 0.0553 in, and the maximum overall length is 19.00 mm. This premium product is ideal for those seeking the highest quality replacement that offers supreme levels of performance and reliability. Applications include the 1998-2020 Audi A3.

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 Number4B1606HXSTD
CategoryEngines and Components

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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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