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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

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Engine Oil Pump

ES#4305829 - 06H115105GD - Engine Oil Pump - Prevent severe engine damage with a new oil pump - Genuine Volkswagen Audi - Audi Volkswagen

Prevent severe engine damage with a new oil pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models with production date up to 01/21/2021

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4305829
Mfg#:
06H115105GD
Ships in 3 Business Days
7% off MSRP

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

$570.99

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

$532.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#4005070 - 038906051R - MAP Sensor - Measures the pressure in the turbocharger system - Borsehung - Audi Volkswagen

Measures the pressure in the turbocharger system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Borsehung - Corporate Logo
ES#:
4005070
Mfg#:
038906051R
In Stock
$36.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Lower

ES#4932306 - 06K109210AF - Timing Chain Cover - Lower - Cover for lower section of timing chain - Includes front crank seal and plug - Bremmen Parts - Audi Volkswagen

Cover for lower section of timing chain - Includes front crank seal and plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4932306
Mfg#:
06K109210AF
In Stock
ON SALE! SAVE 21%
$57.99

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

$45.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MACH Force-Xp Stainless Steel Axle-Back Exhaust System

ES#4220054 - 49-36419-P - MACH Force-Xp Stainless Steel Axle-Back Exhaust System - Resonated 3" to 2-1/2" 304 Stainless Steel with polished tips - AFE - Audi

Resonated 3" to 2-1/2" 304 Stainless Steel with polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4220054
Mfg#:
49-36419-P
Ships in 3 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.

$1311.99

This product was last offered at the strikethrough price on
06-24-2026

$1049.00 USD

Timing Chain Guide Rail - Upper

ES#3220559 - 06H109509Q - Timing Chain Guide Rail - Upper - Left rail on the chain that connects to the camshaft - Bremmen Parts - Audi Volkswagen

Left rail on the chain that connects to the camshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220559
Mfg#:
06H109509Q
In Stock
ON SALE! SAVE 13%
$14.99

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

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

Oil Drain Plug

ES#2802254 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - Rein - Audi Volkswagen

Includes crush washer. M14x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802254
Mfg#:
N90813202
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner - Lower

ES#4007416 - 06H109467BA - Timing Chain Tensioner - Lower - Keeps your timing chain from becoming loose - Genuine Volkswagen Audi - Audi Volkswagen

Keeps your timing chain from becoming loose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4007416
Mfg#:
06H109467BA
In Stock
16% off MSRP

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

$165.00

This product was last offered at the strikethrough price on
06-24-2026

$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B9 A4 2.0T

ES#4727590 - AWEB9A4TR - AWE Touring Edition Exhaust System - Audi B9 A4 2.0T - Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology resonators. - AWE - Audi

Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology® resonators. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
AWE - Corporate Logo
ES#:
4727590
Mfg#:
AWEB9A4TR
Ships on Jul 14, 2026
Starting at $2045.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS5 Gas Cap

ES#3457816 - 8W0201550B - RS5 Gas Cap - Fuel filler cap with Audi 'RS' logo - Includes retaining strap - Genuine Volkswagen Audi - Audi

Fuel filler cap with Audi 'RS' logo - Includes retaining strap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3457816
Mfg#:
8W0201550B
In Stock
8% off MSRP

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

$85.00

This product was last offered at the strikethrough price on
06-24-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

2.76" stainless steel with your choice of tip style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159437
Mfg#:
B9A4NONRESONATED
Ships in 3 Business Days
Starting at $2026.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Guide Rail - Upper

ES#2639851 - 06K109469N - Timing Chain Guide Rail - Upper - Upper rail on the chain that connects to the camshaft - Genuine Volkswagen Audi - Audi Volkswagen

Upper rail on the chain that connects to the camshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2639851
Mfg#:
06K109469N
In Stock
28% off MSRP

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

$45.18

This product was last offered at the strikethrough price on
06-24-2026

$32.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#3640284 - 06H145710J - Diverter Valve - Revised diaphragm-based diverter valve - Genuine Volkswagen Audi - Audi Volkswagen

Revised diaphragm-based diverter valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3640284
Mfg#:
06H145710J
Ships in 1-2 days
ON SALE!
$236.99

This product was last offered at the strikethrough price on
06-15-2026

$225.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#2164644 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head. 31x2mm - Genuine Volkswagen Audi - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head. 31x2mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2164644
Mfg#:
WHT005184
In Stock
36% off MSRP

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

$18.50

This product was last offered at the strikethrough price on
06-24-2026

$11.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VTT Upgraded Ignition Coil Kit - Blue - Set Of Four

ES#4464726 - VTTCOILVAGBLUE4 - VTT Upgraded Ignition Coil Kit - Blue - Set Of Four - Exceeds the performance of factory RS3 coils and provides much higher spark output - Vargas Turbo Technologies - Audi Volkswagen

Exceeds the performance of factory RS3 coils and provides much higher spark output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4464726
Mfg#:
VTTCOILVAGBLUE4
Ships in 10 Business Days
Auto Notify
$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTT Upgraded Ignition Coil Kit - Red - Set Of Four

ES#4464724 - VTTCOILVAGRED4 - VTT Upgraded Ignition Coil Kit - Red - Set Of Four - Exceeds the performance of factory RS3 coils and provides much higher spark output - Vargas Turbo Technologies - Audi Volkswagen

Exceeds the performance of factory RS3 coils and provides much higher spark output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4464724
Mfg#:
VTTCOILVAGRED4
Ships on Jul 13, 2026
$167.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Systems B9 A4/A5 Hybrid Turbocharger Upgrade (400+ HP)

The Turbo Systems hybrid turbocharger is an original turbocharger that has been reworked to suit larger compressor and turbine wheels, along with a ball bearing cartridge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4415827
Mfg#:
TS-B9-STG1
Ships in 2 Business Days
$2000.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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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