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2021 Porsche Cayenne 9YA Turbo Sport Utility V8 4.0L

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2021 Porsche Cayenne 9YA Turbo Sport Utility V8 4.0L Engine Parts & Accessories

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Rear Main Shaft Seal

ES#2017883 - 99710121201 - Rear Main Shaft Seal - Teflon/Acrylic sealing ring - 85x105x11mm - Victor Reinz - Porsche

Teflon/Acrylic sealing ring - 85x105x11mm

Brand:
Victor Reinz - Corporate Logo
ES#:
2017883
Mfg#:
99710121201
In Stock
ON SALE! SAVE 20%
$44.99

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

$35.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Shaft Seal

ES#2793879 - 99710121201 - Rear Main Shaft Seal - Crankshaft sealing ring - 85x105x11mm - Hamburg Tech - Porsche

Crankshaft sealing ring - 85x105x11mm We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2793879
Mfg#:
99710121201
Ships in 1 Business Day
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold To Turbo Gasket - Priced Each

ES#1441968 - 94812320352 - Exhaust Manifold To Turbo Gasket - Priced Each - Left or right side fitment - Two required - Genuine Porsche - Porsche

Left or right side fitment - Two required

Brand:
Genuine Porsche - Corporate Logo
ES#:
1441968
Mfg#:
94812320352
Ships in 4 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket - Priced Each

ES#3348101 - 9A712113900 - Thermostat Housing Gasket - Priced Each - Two (2) Required - Genuine Porsche - Audi Porsche

Two (2) Required

Brand:
Genuine Porsche - Corporate Logo
ES#:
3348101
Mfg#:
9A712113900
Ships in 4 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Tank Seal - Priced Each

ES#1445232 - 95520113301 - Fuel Pump Tank Seal - Priced Each - Sealing ring between fuel tank and flange - Two required - Genuine Porsche - Porsche

Sealing ring between fuel tank and flange - Two required

Brand:
Genuine Porsche - Corporate Logo
ES#:
1445232
Mfg#:
95520113301
Ships in 4 Business Days
$35.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Plus ECU Upgrade - 4.0T EA825 V8 (9Y)

ES#4460770 - ECU40TEA8259YAPR - APR Plus ECU Upgrade - 4.0T EA825 V8 (9Y) - Max gains of +147 AWHP and +141 AWFT-LBS and a Limited Powertrain Warranty - APR - Porsche

Max gains of +147 AWHP and +141 AWFT-LBS and a Limited Powertrain Warranty Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4460770
Mfg#:
ECU40TEA8259YAPR
In Stock
$1999.99 USD
This product is lifetime replacement eligible Lifetime Replacement

APR ECU Upgrade - 4.0T EA825 V8 (9Y)

ES#4460766 - ECU-40T-EA825-9Y - APR ECU Upgrade - 4.0T EA825 V8 (9Y) - Max gains of +147-236 AWHP and +141-236 AWFT-LBS depending on octane - APR - Porsche

Max gains of +147-236 AWHP and +141-236 AWFT-LBS depending on octane Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4460766
Mfg#:
ECU-40T-EA825-9Y
In Stock
$999.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Downpipes

ES#4781307 - UH078-EXA - Unitronic Performance Downpipes - Bolt-on upgrade, designed to optimally eliminate unwanted restrictions in the factory downpipes, reduce turbo lag, and enhance the exhaust note. - Unitronic - Audi Porsche

Bolt-on upgrade, designed to optimally eliminate unwanted restrictions in the factory downpipes, reduce turbo lag, and enhance the exhaust note.

Brand:
Unitronic - Corporate Logo
ES#:
4781307
Mfg#:
UH078-EXA
Ships on Aug 31, 2026
$4849.99 USD
Free Shipping

APR Engine Cover - 2.9T, 3.0T, 4.0T (SUV) - Forged Carbon Fiber

ES#4715659 - MS100257 - APR Engine Cover - 2.9T, 3.0T, 4.0T (SUV) - Forged Carbon Fiber - A full carbon fiber engine cover to enhance your engine bay! - APR - Audi Porsche

A full carbon fiber engine cover to enhance your engine bay! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4715659
Mfg#:
MS100257
Ships in 5 Business Days
11% off MSRP

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

$1968.99

This product was last offered at the strikethrough price on
08-28-2026

$1749.99 USD
Free Shipping

Fabspeed Porsche Cayenne Valved Cat-Back Exhaust System (2019-2025+)

ES#5445742 - FS.POR.9Y0.VLVX - Fabspeed Porsche Cayenne Valved Cat-Back Exhaust System (2019-2025+) - Unlock the true roar of your Cayenne with the Fabspeed Valved Cat-Back, the ultimate dual-personality exhaust that switches from refined cruiser to aggressive beast at the touch of a button. - Fabspeed - Porsche

Unlock the true roar of your Cayenne with the Fabspeed Valved Cat-Back, the ultimate dual-personality exhaust that switches from refined cruiser to aggressive beast at the touch of a button. Not for models factory equipped with PSE (Porsche Sport Exhaust).

Brand:
Fabspeed - Corporate Logo
ES#:
5445742
Mfg#:
FS.POR.9Y0.VLVX
Ships on Sep 22, 2026
Starting at $4395.99 USD
Customize
Free Shipping

Rear Main Seal

ES#5376210 - 99911349040 - Rear Main Seal - Crankshaft sealing ring - 85x105x11mm - Hamburg Tech - Porsche

Crankshaft sealing ring - 85x105x11mm

Brand:
Hamburg Tech - Corporate Logo
ES#:
5376210
Mfg#:
99911349040
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump Solenoid Valve

ES#4759305 - 99660515500 - Secondary Air Injection Pump Solenoid Valve - URO - Porsche

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4759305
Mfg#:
99660515500
Ships in 1 Business Day
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil With Spark Plug Connector - Priced Each

Keep your engine running smooth

Brand:
Bremi - Corporate Logo
ES#:
4759140
Mfg#:
9A7905110
Ships in 2 Business Days
$41.99

This product was last offered at the strikethrough price on
04-10-2026

$35.99 USD
Free Shipping
on orders $49 and up

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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Manufacturer names and/or part numbers are used only for identification purposes.

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