Proper lubrication of metal mating surfaces is essential prior to starting a new or rebuilt engine.
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The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Replace those Worn Out Main Bearings!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Std. Size
Brand:
ES#:
4745333
Mfg#:
MB5784SI
Ships in 6 Business Days
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$273.99
This product was last offered at the strikethrough price on 09-08-2026
Located on the left side of the engine block.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4876888
Mfg#:
11417639993
In Stock
ON SALE!
SAVE 24%
$109.99
This product was last offered at the strikethrough price on 10-08-2026
Replace those Worn Out Main Bearings!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply +0.25mm
Brand:
ES#:
4685252
Mfg#:
MB5784SI0.25
In Stock at Vendor
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$273.99
This product was last offered at the strikethrough price on 09-08-2026
ARP Ultra-Torque is the premier high performance engine fastener assembly lubricant on the market today!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Replace those Worn Out Main Bearings!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply +0.50mm
Brand:
ES#:
4460392
Mfg#:
MB5784SI0.5
In Stock at Vendor
47% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$273.99
This product was last offered at the strikethrough price on 10-26-2026
A14x18-AL used on various engine plugs, bolts, and other hardware.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4733559
Mfg#:
07119963200
Ships in 1 Business Day
$3.99
This product was last offered at the strikethrough price on 05-07-2026
$2.99 USD
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on orders $49 and up
Lifetime Replacement
More About Engine Block Parts
That's right, we have entire engine blocks, engine internals, and more. Find your replacement short block or long block assembly here, or pick up a fresh canvas for your next engine build with all the parts you need to make it perfect right here.
