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Your Vehicle 2001 Porsche 911 996 Carrera 4 Convertible H6 3.4L

2001 Porsche 911 996 Carrera 4 Convertible H6 3.4L Engine Emission Parts

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ES#4818747 - 99660510404 - Secondary Air Injection Pump - It is also recommended to replace the air injection pump relay - 99361511501. - Vemo - Porsche

It is also recommended to replace the air injection pump relay - 99361511501. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4818747
Mfg#:
99660510404
In Stock at Vendor
$1094.99

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

$1033.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Left or right side fitment before the catalyst affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Walker - Corporate Logo
ES#:
2684750
Mfg#:
99360612801
Ships in 1-2 days
46% off MSRP

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

$251.99

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

$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fitment after the catalyst on either side - Two required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Walker - Corporate Logo
ES#:
2561984
Mfg#:
99660611800
Ships in 1-2 days
51% off MSRP

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

$278.99

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

$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1494066 - 99660521301 - Vapor Canister Purge Valve - Carbon canister one-way valve - Genuine Porsche - Porsche

Carbon canister one-way valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1494066
Mfg#:
99660521301
Ships in 5 Business Days
$484.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2224255 - 99611012953 - Regeneration Valve  - From the throttle body for fuel vapor system. This brand comes complete with the plastic line. - Genuine Porsche - Porsche

From the throttle body for fuel vapor system. This brand comes complete with the plastic line. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
2224255
Mfg#:
99611012953
Ships in 5 Business Days
$554.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

It is also recommended to replace the air injection pump relay - 99361511501. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
4688183
Mfg#:
99660510404
Ships in 5 Business Days
$2426.99 USD
Free Shipping
on orders $49 and up

Responsible for Pumping clean Air into the vehicle's exhaust stream to promote a cleaner and more complete burn before the fumes exit the tailpipe. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
3022195
Mfg#:
99660510401
Ships in 5 Business Days
$2426.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2902484 - 99660611800 - OEM Post-Catalyst Oxygen Sensor - Priced Each - Fitment after the catalyst on either side - Two required - Vemo - Porsche

Fitment after the catalyst on either side - Two required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2902484
Mfg#:
99660611800
Special Order: No Guaranteed ETA
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Perfect for repairing and replacing cracked vacuum lines - Best used with 3mm to 4mm vacuum hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5445719
Mfg#:
125DBCON
Special Order: No Guaranteed ETA
ON SALE! SAVE 59%
$12.99

This product was last offered at the strikethrough price on
03-22-2026

$5.39 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4674526 - 99610702355 - Air-Oil Separator - Keep your crankcase pressures and emissions down with a new separator - Vaico - Porsche

Keep your crankcase pressures and emissions down with a new separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4674526
Mfg#:
99610702355
Special Order: No Guaranteed ETA
$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Emission Parts

Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.

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

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