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Audi B8/B8.5 S5 Quattro V8 4.2L Engine Electrical Parts

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ES#4940158 - M127 - Rennline OE+ Upgraded Ignition Coil - Priced Each - Regain power loss & fuel economy from worn or failed ignition coils! - Rennline - Audi Volkswagen

Regain power loss & fuel economy from worn or failed ignition coils! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4940158
Mfg#:
M127
Ships in 6 Business Days
$45.00 USD
Free Shipping
on orders $49 and up
ES#2538571 - 06E905115EKT8 - Ignition Coils - Set Of Eight - A common cure for misfire codes - NFIS Original Equipment - Audi

A common cure for misfire codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
2538571
Mfg#:
06E905115EKT8
In Stock
$255.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#452323 - 8K0919673A - Fuel Tank Sending Unit - Rear - Fuel level gauge for the fuel tank - Genuine Volkswagen Audi - Audi

Fuel level gauge for the fuel tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452323
Mfg#:
8K0919673A
Ships in 3 Business Days
8% off MSRP

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

$286.99

This product was last offered at the strikethrough price on
02-26-2026

$262.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4031173 - GENIUS2 - GENIUS 6V / 12V 2 Amp Battery Charger - NOCO - The GENIUS2 is similar to the G1100, just better. It's 30% smaller and delivers 140% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS2 is similar to the G1100, just better. It's 30% smaller and delivers 140% more power. And it's simpler and easier to use than ever before. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4031173
Mfg#:
GENIUS2
In Stock
23% off MSRP

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

$64.95

This product was last offered at the strikethrough price on
06-03-2026

$49.94 USD
Free Shipping
on orders $49 and up
ES#2949705 - SLY88750B - Oxygen Sensor Wrench 3/8" drive - O2 Sensor Socket - Schley - Audi Volkswagen Mercedes Benz MINI

O2 Sensor Socket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schley - Corporate Logo
ES#:
2949705
Mfg#:
SLY88750B
Ships in 5 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4626767 - 079133073G - Throttle Body Gasket - Located on the throttle body at the bottom of the intake manifold. - Elring - Audi

Located on the throttle body at the bottom of the intake manifold. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4626767
Mfg#:
079133073G
In Stock
$17.99

This product was last offered at the strikethrough price on
03-26-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3979351 - 029054SCH01A - Schwaben Digital Circuit Tester With Test Probes - Circuit tester for 6-24 Volt systems! - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Circuit tester for 6-24 Volt systems! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3979351
Mfg#:
029054SCH01A
Ships on Nov 25, 2026
ON SALE!
$37.99

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

$36.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4031177 - GENIUS5 - GENIUS 6V / 12V 5 Amp Battery Charger - NOCO - Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4031177
Mfg#:
GENIUS5
Ships in 9 Business Days
22% off MSRP

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

$89.99

This product was last offered at the strikethrough price on
06-03-2026

$69.99 USD
Free Shipping
on orders $49 and up
ES#3469479 - 079911021G - Starter  - Don't let your vehicle sit with a faulty starter - Valeo - Audi

Don't let your vehicle sit with a faulty starter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN 8T-9-027900, split is in the 2009 model year

Brand:
Valeo - Corporate Logo
ES#:
3469479
Mfg#:
079911021G
Special Order: No Guaranteed ETA
$268.99

This product was last offered at the strikethrough price on
02-23-2026

$201.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4364629 - GENIUS2X4 - GENIUS 4 Bank 6V / 12V 8 Amp Battery Charger - NOCO - Similar to the G4, just better. It's 40% smaller and delivers 140% more power. It's the all-in-one 4-bank solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Similar to the G4, just better. It's 40% smaller and delivers 140% more power. It's the all-in-one 4-bank solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4364629
Mfg#:
GENIUS2X4
Ships in 9 Business Days
20% off MSRP

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

$249.99

This product was last offered at the strikethrough price on
06-03-2026

$199.99 USD
Free Shipping
on orders $49 and up
ES#4055329 - NOCGB70 - Boost HD UltraSafe Lithium 2000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 8.0L engine or less and diesel vehicles up to 6.0L, up to 40 times on a single charge. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 8.0L engine or less and diesel vehicles up to 6.0L, up to 40 times on a single charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4055329
Mfg#:
NOCGB70
Ships in 9 Business Days
20% off MSRP

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

$249.99

This product was last offered at the strikethrough price on
06-03-2026

$199.99 USD
Free Shipping
on orders $49 and up

A three-bank onboard battery charger rated at 15-amps (5-amps per bank) for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4355164
Mfg#:
GEN5X3
Ships in 9 Business Days
20% off MSRP

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

$249.95

This product was last offered at the strikethrough price on
06-03-2026

$199.94 USD
Free Shipping
on orders $49 and up
ES#4760097 - 0580254044 - High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Hamburg Tech - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application 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#:
4760097
Mfg#:
0580254044
Ships in 4 Business Days
$99.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Length: 8.2 ft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4492941
Mfg#:
56-304
In Stock at Vendor
$28.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4460523 - 3B0973703G-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (3) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460523
Mfg#:
3B0973703G-KIT
In Stock
ON SALE! SAVE 88%
$25.99

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

$3.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3234812 - 06E109257J - Camshaft adjustment valve (N205) - Valve that controls cam adjustment - Gates - Audi Volkswagen

Valve that controls cam adjustment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234812
Mfg#:
06E109257J
Ships on Jun 24, 2026
$185.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Electrical Parts

With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.

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

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