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Volkswagen Passat B4 TDI

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Volkswagen Passat B4 TDI Engine Electrical Parts

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Electrical Relay

ES#2561986 - 357906381B - Electrical Relay - Located in the fuse box - Kaehler - Volkswagen

Located in the fuse box affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kaehler - Corporate Logo
ES#:
2561986
Mfg#:
357906381B
Back Ordered
$21.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug - Priced Each

ES#467493 - N10140105 - Glow Plug - Priced Each - Replace your weak and hard starting glow plugs (Beru) - Genuine Volkswagen Audi - Volkswagen

Replace your weak and hard starting glow plugs (Beru) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467493
Mfg#:
N10140105
In Stock
Limited Qty Sale
$49.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Treatment Kit

ES#4430758 - mc101nocoKT - Battery Treatment Kit - Every thing you need to keep your battery terminals clean. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Every thing you need to keep your battery terminals clean. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4430758
Mfg#:
MC101NOCOKT
In Stock
$9.00

This product was last offered at the strikethrough price on
05-27-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Memory Saver Tool

ES#3672745 - 295A - Memory Saver Tool - Plugs directly into your 12 volt receptacle to prevent lost presets and settings while the battery is disconnected. - Lang - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Plugs directly into your 12 volt receptacle to prevent lost presets and settings while the battery is disconnected. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Lang - Corporate Logo
ES#:
3672745
Mfg#:
295A
Ships in 6 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - .25 bar

ES#2873171 - 028919081H - Oil Pressure Switch - .25 bar - Low pressure screw in oil pressure switch. M10x1 - Febi - Audi Volkswagen

Low pressure screw in oil pressure switch. M10x1 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873171
Mfg#:
028919081H
In Stock at Vendor
$8.99

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

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Jul 21, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Temperature Sensor - Brown/Black

ES#2900590 - 6U0919501B - Water Temperature Sensor - Brown/Black - 4-pin sensor for ECU - Vemo - Volkswagen

4-pin sensor for ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2900590
Mfg#:
6U0919501B
In Stock at Vendor
$15.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hi/Low Volt Circuit Tester

ES#4336943 - CTA3022 - Hi/Low Volt Circuit Tester - Tests high voltage in spark plugs, plug wires and distributor caps - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests high voltage in spark plugs, plug wires and distributor caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336943
Mfg#:
CTA3022
Ships on Jun 19, 2026
$7.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Conditioning High/Low Switch

ES#3214604 - 7M3959139 - Air Conditioning High/Low Switch - Detects irregular system pressure, located on the receiver/drier - URO - Audi Volkswagen

Detects irregular system pressure, located on the receiver/drier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3214604
Mfg#:
7M3959139
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical tape - yellow

ES#467910 - N10311304 - Electrical tape - yellow - Used for electrical repairs - Genuine Volkswagen Audi - Volkswagen

Used for electrical repairs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467910
Mfg#:
N10311304
Ships in 1 day
18% off MSRP

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

$16.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Temperature Sender

ES#2143347 - 049919563A - Oil Temperature Sender - Single pin connector, 0-180C - FAE - Volkswagen

Single pin connector, 0-180C affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
2143347
Mfg#:
049919563A
Ships in 1 day
$13.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flat Contact Housing

ES#311359 - 1J0973833 - Flat Contact Housing - Male connector used in several places - Genuine Volkswagen Audi - Volkswagen

Male connector used in several places affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
311359
Mfg#:
1J0973833
Ships in 1 day
7% off MSRP

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

$13.99

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

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay 167 - Priced Each

ES#2814213 - 191906383C - Relay 167 - Priced Each - Commonly used as a contact close relay for fuel pump - Hamburg Tech - Audi Volkswagen

Commonly used as a contact close relay for fuel pump 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#:
2814213
Mfg#:
191906383C
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2828552 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - URO - Audi Volkswagen Porsche

Replacement 4 pin relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2828552
Mfg#:
7M0951253A
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Conditioning High/Low Switch

ES#2901233 - 7M3959139 - Air Conditioning High/Low Switch - Detects irregular system pressure, located on the receiver/drier - Vemo - Audi Volkswagen

Detects irregular system pressure, located on the receiver/drier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2901233
Mfg#:
7M3959139
In Stock at Vendor
ON SALE! SAVE 53%
$24.99

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

$11.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - .25 bar

ES#3712 - 028919081D - Oil Pressure Switch - .25 bar - Low pressure screw in oil pressure switch. M10x1 - Meistersatz - Audi Volkswagen

Low pressure screw in oil pressure switch. M10x1 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
3712
Mfg#:
028919081D
Ships in 3 Business Days
$10.99 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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