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Your Vehicle 1991 Porsche 928 Base Coupe V8 5.0L

1991 Porsche 928 Base Coupe V8 5.0L Engine Mechanical Parts

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ES#2504106 - 99911342641 - Crankshaft Seal - Rear main seal - 90 x 110 x 12mm - Genuine Porsche - Porsche

Rear main seal - 90 x 110 x 12mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
2504106
Mfg#:
99911342641
Ships in 5 Business Days
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538374 - 94410719701 - Engine Oil Drain Plug - Replace damaged drain plugs to prevent leaks - OE Aftermarket - Porsche

Replace damaged drain plugs to prevent leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OE Aftermarket - Corporate Logo
ES#:
2538374
Mfg#:
94410719701
Ships in 1-2 days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4567544 - 94410719711 - Engine Oil Drain Plug - Replace damaged drain plugs to prevent leaks - Genuine Porsche - Porsche

Replace damaged drain plugs to prevent leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
4567544
Mfg#:
94410719711
Ships in 5 Business Days
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535861 - 90012310630 - Oil Drain Plug Washer - 18 X 24 - Sealing crushable washer - One time use only - Newco - Porsche

Sealing crushable washer - One time use only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Newco - Corporate Logo
ES#:
2535861
Mfg#:
90012310630
In Stock
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2575927 - 99911342641 - Crankshaft Seal - Rear main seal - 90 x 110 x 12mm - Elring - Porsche

Rear main seal - 90 x 110 x 12mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2575927
Mfg#:
99911342641
In Stock at Vendor
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$44.20

This product was last offered at the strikethrough price on
06-16-2026

$43.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1510474 - 99921802302 - Allen Bolt With Washer - Priced Each  - M8x35 - Used to secure camshaft caps/bridges - Total of 52 used in both cylinder heads - Genuine Porsche - Porsche

M8x35 - Used to secure camshaft caps/bridges - Total of 52 used in both cylinder heads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1510474
Mfg#:
99921802302
Ships in 5 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2602965 - 90012310630 - Oil Drain Plug Washer - 18 X 24 - Sealing crushable washer - One time use only - Fischer and Plath - Porsche

Sealing crushable washer - One time use only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fischer and Plath - Corporate Logo
ES#:
2602965
Mfg#:
90012310630
In Stock at Vendor
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2539125 - 90012311830 - Oil Drain Plug Washer - 22 X 27 - Sealing crushable washer - One time use only - Newco - Porsche

Sealing crushable washer - One time use only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Newco - Corporate Logo
ES#:
2539125
Mfg#:
90012311830
In Stock
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1433036 - 94410709101 - Oil Cap - Priced Each - Remote oil filler cap to close off the oil filler neck - Genuine Porsche - Porsche

Remote oil filler cap to close off the oil filler neck affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1433036
Mfg#:
94410709101
Ships in 5 Business Days
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3603420 - CTAA311 - Feeler Gauge Set - 25 Blade Extra Long Reach - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

25 Blade Extra Long Reach affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
3603420
Mfg#:
CTAA311
Ships on Jul 6, 2026
$28.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1376508 - 90017404440 - Dipstick Tube O-Ring - Seals the dipstick tube to the crankcase - Genuine Porsche - Porsche

Seals the dipstick tube to the crankcase affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1376508
Mfg#:
90017404440
Ships in 5 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2718677 - 90012311830 - Oil Drain Plug Washer - 22 X 27 - Sealing crushable washer - One time use only - Fischer and Plath - Porsche

Sealing crushable washer - One time use only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fischer and Plath - Corporate Logo
ES#:
2718677
Mfg#:
90012311830
In Stock
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2793780 - 99911342641 - Crankshaft Seal - Rear main seal - 90 x 110 x 12mm - Hamburg Tech - Porsche

Rear main seal - 90 x 110 x 12mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2793780
Mfg#:
99911342641
Ships in 2 Business Days
Limited Qty Sale
$16.27

This product was last offered at the strikethrough price on
05-02-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2816465 - 92810411502 - Valve Cover Bolt Grommet - Priced Each - Replace your worn out grommets - Hamburg Tech - Porsche

Replace your worn out grommets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816465
Mfg#:
92810411502
Ships in 2 Business Days
$1.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2607918 - 99911328240 - Shaft Sealing Ring - Rubber shaft seal - Victor Reinz - Porsche

Rubber shaft seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2607918
Mfg#:
99911328240
In Stock at Vendor
$10.99

This product was last offered at the strikethrough price on
05-07-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2777762 - 94410719701 - Engine Oil Drain Plug - Replace damaged drain plugs to prevent leaks - Hamburg Tech - Porsche

Replace damaged drain plugs to prevent leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2777762
Mfg#:
94410719701
Ships in 2 Business Days
$9.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible 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.

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