85X105X8 , Located on the main shaft between the engine and transmission AKA Rear Main Seal
Brand:
ES#:
17765
Mfg#:
11117568263
26% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$58.10
This product was last offered at the strikethrough price on 09-05-2026
$42.79 USD
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on orders $49 and up
Lifetime Replacement
Performance pistons in standard size. "STD" will be printed on the pistons. Please inspect before install.
Sneed4Speed is now exclusively at ECS Tuning
Brand:
ES#:
4505098
Mfg#:
1828344
$425.00 USD
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Lifetime Replacement
Set of rings for one piston in 77.50mm size, For supertech pistons only.
Brand:
ES#:
3553244
Mfg#:
GNH7750
$23.99 USD
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on orders $49 and up
Lifetime Replacement
Performance pistons in +0.50mm stock size, N14 and N18
Rings are sold separately.
Brand:
ES#:
3478020
Mfg#:
P4MIN56N18J77.5C
$811.99 USD
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Lifetime Replacement
Upgraded main studs for performance engine builds, 9MM
Brand:
ES#:
4818355
Mfg#:
R56MSK
$159.99 USD
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on orders $49 and up
Lifetime Replacement
Serious engine oil cooling for the most demanding engines
Brand:
ES#:
2855412
Mfg#:
MM0C-19
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$217.00
This product was last offered at the strikethrough price on 09-30-2026
$196.99 USD
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Lifetime Replacement
Located under the turbo
Brand:
ES#:
4876818
Mfg#:
11658617069
ON SALE!
SAVE 28%
$71.99
This product was last offered at the strikethrough price on 11-07-2026
$52.19 USD
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Build your engine the right way!
Brand:
ES#:
2848009
Mfg#:
80319
$16.99 USD
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on orders $49 and up
85X105X8, located on the main shaft between the engine and transmission AKA Rear Main Seal
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4689983
Mfg#:
11117568263
ON SALE!
SAVE 20%
$19.99
This product was last offered at the strikethrough price on 11-07-2026
$15.99 USD
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Lifetime Replacement
Direct replacement connecting rods
Brand:
ES#:
2676748
Mfg#:
11247621253
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$816.99
This product was last offered at the strikethrough price on 11-07-2026
$760.99 USD
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on orders $49 and up
Lifetime Replacement
A hard-to-find size, used on many European applications
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
240947
Mfg#:
S-1227S
ON SALE!
SAVE 25%
$23.99
This product was last offered at the strikethrough price on 11-07-2026
$17.99 USD
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on orders $49 and up
Lifetime Replacement
Built to withstand the massive abuse of turbocharging and racing!
Brand:
ES#:
4758595
Mfg#:
C4617-044
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$104.99
This product was last offered at the strikethrough price on 11-07-2026
$93.99 USD
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Lifetime Replacement
Main crank pulley that is rotationally balanced
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat!
Brand:
ES#:
3202714
Mfg#:
11237562801
$72.00
This product was last offered at the strikethrough price on 07-28-2026
$49.78 USD
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on orders $49 and up
Lifetime Replacement
Located on the end of the oil pump
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4335437
Mfg#:
11417548872
ON SALE!
SAVE 20%
$31.99
This product was last offered at the strikethrough price on 11-07-2026
$25.59 USD
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Lifetime Replacement
Bearing set from S4S but with improved performance Black Magic anti-friction coating
Brand:
ES#:
5374008
Mfg#:
NSMBSBM
$179.99 USD
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Lifetime Replacement
Replacements for the stock thrust washer near the crank
Brand:
ES#:
3524640
Mfg#:
TW1046AM
12% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$33.99
This product was last offered at the strikethrough price on 11-07-2026
$29.99 USD
Add to Cart
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on orders $49 and up
Lifetime Replacement
More About Engine Mechanical Parts
Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.