Skip to the content

Our U.S. sales are temporarily paused. We appreciate your understanding and stay tuned.

Introducing our Brands What We Do Best Popular Categories

Agility Autoparts

CMX Brake Calipers

DS-One Drilled & Slotted Brake Rotors

Genius Coated Rotors

Kingstar Wheel Cylinders

Kugel Wheel Bearings and Hub Assemblies

Mpulse Ignition Coils

Positive Plus Brake Pads

TMC Shock Absorbers

Top Quality Brake Parts

Unity Automotive

Rockauto Canada Alternative

Pièces d'Auto Du Québec au Québec

Auto Parts Canada | Best Price & Quality Car Parts in Canada

Pièces d'auto Québec et Canada

Pièces d'Auto Quebec En Ligne

NAPA Canada Alternative

Auto Parts Kits in Canada

Discount Auto Parts Online in Canada

Wheel Bearing and Hub

Your vehicle

Year Make Model Category Product

Country/region

Canada (CAD $)
United States (USD $)

All Vendors

Search for products

Your cart

Your cart is empty

Home
Parts
Brands
Blogs
Shipping
Return
FAQ
Reviews
Vehicles
About Us
Contact Us
Introducing our Brands
What We Do Best
Popular Categories

Country/region

Canada (CAD $)
United States (USD $)

Home
Parts
Brands
Blogs
Shipping
Return
FAQ
Reviews
Vehicles
About Us
Contact Us

Check fitment for ?

No, different vehicle Yes

2021 Audi S4

These products are compatible with 2021 Audi S4.

Sort by:

Narrow down your search.

86 Products

Compare Added to comparison

-24%

Front Link Pair For Audi Q5 Porsche A4 Quattro Macan Q7 Cayenne S5 SQ5 A5 Sportback S4 Q8 K72-101579

Position: Front Includes: 2x TQ Link Kit Part #: K72-101579 Brand: Top Quality

In stock
Compare Added to comparison

-15%

Front Lower Forward Suspension Ball Joints Pair For Audi Q5 A4 Quattro Porsche Macan K72-101476

Position: Front Lower Forward Includes: 2x TQ Suspension Ball Joint Part #: K72-101476 Brand: Top Quality

Out of stock
Compare Added to comparison

-25%

Ceramic

TEC

Front Rear Ceramic Brake Pads Kit For Audi S5 SQ5 Sportback S4 A6 Quattro A7 allroad KTC-100847

Position: Front and Rear Includes: 2x TEC Brake Pad Part #: KTC-100847 Brand: TEC

In stock
Compare Added to comparison

-25%

TOR

Front Lower Forward Ball Joint Pair For Audi Q5 A4 Quattro Porsche Macan S5 KTR-103047

Position: Front Lower Forward Includes: 2x TOR Suspension Ball Joint Part #: KTR-103047 Brand: TOR

In stock
Compare Added to comparison

-19%

Semi-Metallic

Rear Semi-Metallic Brake Pads Wear Sensor Kit For Audi A5 Sportback A4 Quattro S5 allroad KPW-101633

Position: Rear Includes: 1x Positive Plus Brake Pad and 2x Mpulse Brake Pad Wear Sensor Part #: KPW-101633 Brand: Positive Plus

In stock
Compare Added to comparison

-24%

Semi-Metallic

Rear Semi-Metallic Brake Pads Wear Sensor Kit For Audi A5 Sportback A4 Quattro S5 allroad KPW-101610

Position: Rear Includes: 1x Positive Plus Brake Pad and 1x Mpulse Brake Pad Wear Sensor Part #: KPW-101610 Brand: Positive Plus

In stock
Compare Added to comparison

-15%

Semi-Metallic

Front Rear Semi-Metallic Disc Brake Pads And Wear Sensors Kit For Audi S5 S4 Sportback KPW-101505

Position: Front and Rear Includes: 2x Positive Plus Brake Pad and 4x Mpulse Brake Pad Wear Sensor Part #: KPW-101505 Brand: Positive Plus

In stock
Compare Added to comparison

-30%

Semi-Metallic

Front Rear Semi-Metallic Disc Brake Pads And Wear Sensors Kit For Audi S5 S4 Sportback KPW-101442

Position: Front and Rear Includes: 2x Positive Plus Brake Pad and 2x Mpulse Brake Pad Wear Sensor Part #: KPW-101442 Brand: Positive Plus

In stock
Compare Added to comparison

-21%

Semi-Metallic

Front Semi-Metallic Brake Pad Wear Sensor Kit For Audi Q7 SQ5 S5 Q8 S4 Sportback A6 A7 A8 KPW-100904

Position: Front Includes: 1x Positive Plus Brake Pad and 2x Mpulse Brake Pad Wear Sensor Part #: KPW-100904 Brand: Positive Plus

In stock
Compare Added to comparison

-32%

Semi-Metallic

Front Semi-Metallic Brake Pad Wear Sensor Kit For Audi Q7 SQ5 S5 Q8 S4 Sportback A6 A7 A8 KPW-100707

Position: Front Includes: 1x Positive Plus Brake Pad and 1x Mpulse Brake Pad Wear Sensor Part #: KPW-100707 Brand: Positive Plus

In stock
Compare Added to comparison

-15%

Ceramic

TEC

Rear Ceramic Brake Pad Wear Sensor Kit For Audi A5 Sportback A4 Quattro S5 allroad RS5 S4 KTW-101742

Position: Rear Includes: 1x TEC Brake Pad and 1x Mpulse Brake Pad Wear Sensor Part #: KTW-101742 Brand: TEC

In stock
Compare Added to comparison

-28%

Ceramic

TEC

Rear Ceramic Brake Pad Wear Sensor Kit For Audi A5 Sportback A4 Quattro S5 allroad RS5 S4 KTW-101726

Position: Rear Includes: 1x TEC Brake Pad and 2x Mpulse Brake Pad Wear Sensor Part #: KTW-101726 Brand: TEC

Only 2 kits left
Compare Added to comparison

-25%

Ceramic

TEC

Front Rear Ceramic Disc Brake Pad Wear Sensor Kit For Audi S5 S4 Sportback Made in Europe KTW-101654

Position: Front and Rear Includes: 2x TEC Brake Pad and 2x Mpulse Brake Pad Wear Sensor Part #: KTW-101654 Brand: TEC

In stock
Compare Added to comparison

-29%

Ceramic

TEC

Front Rear Ceramic Disc Brake Pad Wear Sensor Kit For Audi S5 S4 Sportback Made in Europe KTW-101628

Position: Front and Rear Includes: 2x TEC Brake Pad and 4x Mpulse Brake Pad Wear Sensor Part #: KTW-101628 Brand: TEC

Only 2 kits left
Compare Added to comparison

-29%

Ceramic

TEC

Front Ceramic Brake Pads Wear Sensor Kit For Audi Q7 SQ5 S5 Q8 S4 Sportback A6 Quattro A7 KTW-101019

Position: Front Includes: 1x TEC Brake Pad and 2x Mpulse Brake Pad Wear Sensor Part #: KTW-101019 Brand: TEC

In stock
Compare Added to comparison

-12%

Mpulse

Ignition Coil MPS-MF716 For Volkswagen Audi Jetta Q5 Golf Tiguan Q3 SportWagen Atlas Q7 Passat A4 A3

Part #: MPS-MF716 Brand: Mpulse

In stock
Compare Added to comparison

-11%

TOR

Front Suspension Stabilizer Bar Link Kit TOR-K750359 For Audi Q5 Porsche A4 Quattro Macan Q7 Cayenne

Position: Front Part #: TOR-K750359 Brand: TOR

In stock
Compare Added to comparison

-14%

TOR

Front Lower Forward Suspension Ball Joint TOR-K500252 For Audi Q5 A4 Quattro Porsche Macan S5 A5 S4

Position: Front Lower Forward Part #: TOR-K500252 Brand: TOR

In stock
Compare Added to comparison

-15%

Coated

Front Coated Disc Brake Rotor (1 Piece Only) GCR-982153 For Audi Q5 Q7 SQ5 S5 S4 Sportback PHEV

Position: Front Part #: GCR-982153 Brand: Genius

In stock
Compare Added to comparison

-15%

Coated

Rear Coated Disc Brake Rotor (1 Piece Only) GCR-980881 For Audi Q5 Porsche Macan A4 Quattro S5 SQ5

Position: Rear Part #: GCR-980881 Brand: Genius

In stock
Compare Added to comparison

-15%

Regular

Front Disc Brake Rotor (1 Piece Only) 8-982153 For Audi Q5 Q7 SQ5 S5 S4 Sportback PHEV

Position: Front Part #: 8-982153 Brand: CMX

In stock
Compare Added to comparison

-16%

Regular

Rear Disc Brake Rotor (1 Piece Only) 8-980881 For Audi Q5 Porsche Macan A4 Quattro S5 SQ5 A5 Q7 S4

Position: Rear Part #: 8-980881 Brand: CMX

In stock
Compare Added to comparison

-29%

Ceramic

TEC

Front Ceramic Brake Pads Wear Sensor Kit For Audi Q7 SQ5 S5 Q8 S4 Sportback A6 Quattro A7 KTW-100068

Position: Front Includes: 1x TEC Brake Pad and 1x Mpulse Brake Pad Wear Sensor Part #: KTW-100068 Brand: TEC

In stock
Compare Added to comparison

-33%

Mpulse

Ignition Coil (8 Pack) For Volkswagen Audi Jetta Q5 Golf Tiguan Q3 SportWagen Atlas Q7 A4 KMP-101238

Includes: 8x Mpulse Ignition Coil Part #: KMP-101238 Brand: Mpulse

In stock

Fast FREE* shipping

We Value Your Time and Money

Lifetime Warranty

Quality for Your Peace of Mind

100% Fitment Guarantee

Shop with Real Confidence

Customer Support

Your Satisfaction, Our Goal

Parts Pioneer Inc.
601 Brickell Key Drive, Suite 700
Miami, FL, 33131
info@partspioneer.com
+1 (844) 844-4496
Mon-Sun: 06:30 - 23:30

Quick Links

Home
FAQ
About Us
Contact Us
Blogs
Reviews

Policies

Shipping Policy
Return / Refund Policy
Privacy Policy
Terms of Service
Warranty Policy

Newsletter

Subscribe to our newsletter and receive special offers

Your email

Payment methods

Facebook
Instagram
LinkedIn
X
YouTube
WhatsApp

© 2026, Parts Pioneer - Powered by Shopify