Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Porsche Engine Emission Parts

Sort By
Filter By
Return to Top

Porsche Engine Oil Separator Kit

ES#4871840 - 99710703800KT - Porsche Engine Oil Separator Kit - Everything you need to carry out the oil separator service! - Genuine Porsche - Porsche

Everything you need to carry out the oil separator service!

Brand:
Genuine Porsche - Corporate Logo
ES#:
4871840
Mfg#:
99710703800KT
Ships in 4 Business Days
$1369.99

This product was last offered at the strikethrough price on
04-15-2026

$1351.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump

ES#4642689 - 95560510702 - Leak Detection Pump - Evaporative Emissions System Leak Detection Pump - URO - Volkswagen Porsche

Evaporative Emissions System Leak Detection Pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4642689
Mfg#:
95560510702
Ships in 1 Business Day
$200.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OEM Pre-Catalyst Oxygen Sensor - Priced Each

ES#1442069 - 94860613102 - OEM Pre-Catalyst Oxygen Sensor - Priced Each - Fitment before the catalyst on either side - 2 required - Genuine Porsche - Porsche

Fitment before the catalyst on either side - 2 required

Brand:
Genuine Porsche - Corporate Logo
ES#:
1442069
Mfg#:
94860613102
Ships in 4 Business Days
$509.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AdBlue DEF Fluid - 2.0 Liter

ES#4007209 - 95811351000 - AdBlue DEF Fluid - 2.0 Liter - Diesel exhaust fluid - Genuine Porsche - Porsche

Diesel exhaust fluid

Brand:
Genuine Porsche - Corporate Logo
ES#:
4007209
Mfg#:
95811351000
In Stock
$15.56 USD
Free Shipping
on orders $49 and up

Truck Series DPF Protector - 500ml / 16.9oz

ES#3999019 - 20258 - Truck Series DPF Protector - 500ml / 16.9oz - Improves engine performance and emissions control - Reduces clogging of the DPF caused by soot as a combustion product - Liqui-Moly - BMW Volkswagen Porsche

Improves engine performance and emissions control - Reduces clogging of the DPF caused by soot as a combustion product 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3999019
Mfg#:
20258
Ships on Aug 5, 2026
Auto Notify
38% off MSRP

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

$18.99

This product was last offered at the strikethrough price on
07-09-2026

$11.85 USD
Free Shipping
on orders $49 and up

RSR Filler & Gas Cap - Brushed - Porsche 911/930

ES#4461048 - E58.E54 - RSR Filler & Gas Cap - Brushed - Porsche 911/930 - Convert your 911 to the race inspired RSR-style center-fill! Includes all required components. - Rennline - Porsche

Convert your 911 to the race inspired RSR-style center-fill! Includes all required components.

Brand:
Rennline - Corporate Logo
ES#:
4461048
Mfg#:
E58.E54
Ships in 5 Business Days
$840.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OEM Post-Catalyst Oxygen Sensor - Priced Each

ES#1453413 - 95560617800 - OEM Post-Catalyst Oxygen Sensor - Priced Each - Fitment after the catalyst on either side - 2 required - Genuine Porsche - Porsche

Fitment after the catalyst on either side - 2 required

Brand:
Genuine Porsche - Corporate Logo
ES#:
1453413
Mfg#:
95560617800
Ships in 4 Business Days
$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose

ES#1483513 - 99610714755 - Crankcase Breather Hose - Connects the crankcase breather valve to the air-oil separator - Genuine Porsche - Porsche

Connects the crankcase breather valve to the air-oil separator

Brand:
Genuine Porsche - Corporate Logo
ES#:
1483513
Mfg#:
99610714755
In Stock
Limited Qty Sale
$279.99

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

$249.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Venturi Ventilation Tube

ES#2951308 - 94811020203 - Venturi Ventilation Tube - Fuel tank vent valve - Genuine Porsche - Porsche

Fuel tank vent valve

Brand:
Genuine Porsche - Corporate Logo
ES#:
2951308
Mfg#:
94811020203
In Stock at Vendor
$868.99

This product was last offered at the strikethrough price on
02-14-2026

$739.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Porsche Air Oil Separator (High Performance Motorsport Version)

ES#1483577 - 99610792600 - Porsche Air Oil Separator (High Performance Motorsport Version) - Reduces engine smoking caused by extreme driving conditions - Genuine Porsche - Porsche

Reduces engine smoking caused by extreme driving conditions Modifications required if vehicle not already fitted with this unit

Brand:
Genuine Porsche - Corporate Logo
ES#:
1483577
Mfg#:
99610792600
Ships in 3 Business Days
$736.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air-Oil Separator Kit

ES#4624085 - 99610702355KT - Air-Oil Separator Kit - Keep your crankcase pressures and emissions down with a new separator and all related components for a complete service! - Assembled By ECS - Porsche

Keep your crankcase pressures and emissions down with a new separator and all related components for a complete service! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4624085
Mfg#:
99610702355KT
Ships in 2 Business Days
$735.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air-Oil Separator

ES#4398987 - 99610702602 - Air-Oil Separator - Oil vapor separator - Genuine Porsche - Porsche

Oil vapor separator

Brand:
Genuine Porsche - Corporate Logo
ES#:
4398987
Mfg#:
99610702602
Ships in 2 Business Days
$230.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OEM Post-Catalyst Oxygen Sensor - Priced Each

ES#4321705 - 98760612305 - OEM Post-Catalyst Oxygen Sensor - Priced Each - Fitment after the catalyst on either side - Two required - Genuine Porsche - Porsche

Fitment after the catalyst on either side - Two required

Brand:
Genuine Porsche - Corporate Logo
ES#:
4321705
Mfg#:
98760612305
Ships in 4 Business Days
$344.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Regeneration Valve

ES#4830725 - 99611012953 - Regeneration Valve - From the throttle body for fuel vapor system. This brand comes without the plastic line. It will be necessary to remove and reuse the plastic line from the original valve. - Bosch - Porsche

From the throttle body for fuel vapor system. This brand comes without the plastic line. It will be necessary to remove and reuse the plastic line from the original valve. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4830725
Mfg#:
99611012953
In Stock at Vendor
$680.99

This product was last offered at the strikethrough price on
07-20-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air-Oil Separator

ES#2771579 - 99610702601 - Air-Oil Separator - Oil vapor separator - Hamburg Tech - Porsche

Oil vapor separator We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2771579
Mfg#:
99610702601
Ships in 1 Business Day
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#5470814 - 06M103515H - Oil Separator/Pressure Control Valve (PCV) - Also known as the "PCV". Located on the valve cover - URO - Audi Porsche

Also known as the "PCV". Located on the valve cover 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5470814
Mfg#:
06M103515H
In Stock
$105.99

This product was last offered at the strikethrough price on
05-25-2026

$94.99 USD
Free Shipping
on orders $49 and up

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.

Let us help you find the parts that fit your Porsche

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings