20 Best 2003 Audi A4 1.8 T Aftermarket Parts [2024]

Are you looking for the best 2003 Audi A4 1.8 T Aftermarket Parts? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 2003 Audi A4 1.8 T Aftermarket Parts.

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1 Car Flat Ribbon OBD2 16 Pin Splitter Extension Cable Adapter Male to Female, 23.6' Car OBD... Car Flat Ribbon OBD2 16 Pin Splitter Extension Cable Adapter Male to Female, 23.6" Car OBD...
2 Nilight H11 LED Headlight Bulbs, 350% Brighter, 50W 10000lm Headlamp Bulbs, Mini Size, H9 High Beam,... Nilight H11 LED Headlight Bulbs, 350% Brighter, 50W 10000lm Headlamp Bulbs, Mini Size, H9 High...
3 NewYall Engine Crankcase Breather Pipe Hose Tube Kit NewYall Engine Crankcase Breather Pipe Hose Tube Kit
4 Ignition Coil Pack Set of 4 - 1.8T - Replaces 06C905115M, 06B905115R, 06B905115D - Compatible with... Ignition Coil Pack Set of 4 - 1.8T - Replaces 06C905115M, 06B905115R, 06B905115D - Compatible...
5 Bapmic 06A129101D PCV Crankcase Breather Vent Purge Valve for Volkswagen Audi A4 TT Passat Golf... Bapmic 06A129101D PCV Crankcase Breather Vent Purge Valve for Volkswagen Audi A4 TT Passat Golf...
6 Marsauto 194 LED Light Bulb 6000K 168 T10 2825 5SMD LED Replacement Bulbs for Car Dome Map Door... Marsauto 194 LED Light Bulb 6000K 168 T10 2825 5SMD LED Replacement Bulbs for Car Dome Map Door...
7 GOOACC 166 Pcs Car Retainer Clips &Screw Grommets - 12 Most Popular Sizes & Applications for GM... GOOACC 166 Pcs Car Retainer Clips &Screw Grommets - 12 Most Popular Sizes & Applications for GM...
8 CTEK (56-564) Comfort Indicator Pigtail , Black CTEK (56-564) Comfort Indicator Pigtail , Black
9 Phinlion Super Bright 3014 72-SMD 3056 3156 3057 3157 3457 4057 4157 Amber Yellow LED Light Bulbs... Phinlion Super Bright 3014 72-SMD 3056 3156 3057 3157 3457 4057 4157 Amber Yellow LED Light Bulbs...
10 URO Parts 06A129101D Crankcase Vent Valve, 20mm URO Parts 06A129101D Crankcase Vent Valve, 20mm
11 Nilight 4 in 1 ON/OFF Charger Socket Panel Dual USB Socket Power Outlet & LED Voltmeter &Cigarette... Nilight 4 in 1 ON/OFF Charger Socket Panel Dual USB Socket Power Outlet & LED Voltmeter...
12 LivTee 5 pcs Auto Trim Removal Tool Kit, Interior Door Panel Clip Fastener Removal Set for Vehicle... LivTee 5 pcs Auto Trim Removal Tool Kit, Interior Door Panel Clip Fastener Removal Set for...
13 Nilight 12V Car Add-A-Circuit Fuse Tap Adapter Mini Atm Apm Blade Fuse Holder-10 Pack, 2 Years... Nilight 12V Car Add-A-Circuit Fuse Tap Adapter Mini Atm Apm Blade Fuse Holder-10 Pack, 2 Years...
14 Bosch 0261210177 Original Equipment Crankshaft Position Sensor for Select Audi: 2001-06 A4, 2001-05... Bosch 0261210177 Original Equipment Crankshaft Position Sensor for Select Audi: 2001-06 A4,...
15 GOOACC 635Pcs Car Push Retainer Clips & Auto Fasteners Assortment -16 Most Popular Sizes Nylon... GOOACC 635Pcs Car Push Retainer Clips & Auto Fasteners Assortment -16 Most Popular Sizes Nylon...
16 Nilight - TL-01 6' Oval Red LED Tail 2PCS w/Surface Mount Grommets Plugs IP65 Waterproof Stop Brake... Nilight - TL-01 6" Oval Red LED Tail 2PCS w/Surface Mount Grommets Plugs IP65 Waterproof Stop...
17 LUYED 2 X 900 Lumens Super Bright 3014 78-EX Chipsets 3056 3156 3057 3057K 3157 4157 LED Bulbs with... LUYED 2 X 900 Lumens Super Bright 3014 78-EX Chipsets 3056 3156 3057 3057K 3157 4157 LED Bulbs...
18 Metra 70-1787 Radio Wiring Harness for VW/Audi Bose Integration 1993-2007 Metra 70-1787 Radio Wiring Harness for VW/Audi Bose Integration 1993-2007
19 Nilight - NI -WA 06 LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade... Nilight - NI -WA 06 LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay...
20 LivTee Led Panel Lights with 194 168 2825 T10 W5W / DE3175 6428 / BA9S 64111/6418 DE3423 DE3425 /... LivTee Led Panel Lights with 194 168 2825 T10 W5W / DE3175 6428 / BA9S 64111/6418 DE3423 DE3425 /...
Bestseller No. 1
Car Flat Ribbon OBD2 16 Pin Splitter Extension Cable Adapter Male to Female, 23.6" Car OBD...
  • [DURABILITY] Our flat ribbon extension cable is made of high-quality material with special design, adopts flame retardant material, effectively...
  • [SPECIFICATION] Package includes one enhanced OBD2 extension cable(male to female). Measuring about 23.6" in length/68g in weight. Portable and light,...
  • [EXTENSION] Build in 16 pins stitches to ensure transmission's stability. Easily fold when you're not using it, take up small space to store. With...
  • [WIDELY USE] Compatible with all kinds of OBD2 scanners and tools with 16 pin socket.
  • [CUSTOMER SERVICE] We offer friendly customer service and returnable service, if you have any questions or problems about our products, welcome to get...
SaleBestseller No. 2
Nilight H11 LED Headlight Bulbs, 350% Brighter, 50W 10000lm Headlamp Bulbs, Mini Size, H9 High Beam,...
  • 【350% Brighter Than Halogens】 Equipped with High luminous efficacy CSP chips,10,000lm per set and 6000K cool white, H11 LED headlight bulb...
  • 【Ideal Beam Pattern】 Nilight H9 LED headlight bulb enhances super focused beam pattern for optimal light shape and clearer visibility, no dark...
  • 【50,000 Hours Lifespan】 65% energy saving, brighter light output with much less power consumption. Thanks to premium aviation aluminum heat sink...
  • 【10 Mins Easy Installation】 Bulid-in driver and non-polarity plug for taking up less space in housing, 1:1 mini size as original halogen bulbs for...
  • 【Superb Performance】CANbus ready, fit with 99% vehicles without error or flickering issue. IP67 feature makes it work perfectly on any severe...
Bestseller No. 3
NewYall Engine Crankcase Breather Pipe Hose Tube Kit
  • For Audi TT 1.8L 2000-2002
  • For Audi TT Quattro 1.8L 2000-2002
  • For VW Golf 1.8L 2000-2002
  • For VW Jetta 1.8L 2002-2003
  • For VW Jetta GLS 1.8L 2000-2001
SaleBestseller No. 4
Ignition Coil Pack Set of 4 - 1.8T - Replaces 06C905115M, 06B905115R, 06B905115D - Compatible with...
  • Replacement Ignition Coils - Solves common misfire and rough running issues caused by faulty ignition coils by providing proper spark to the spark...
  • Set of 4 coils Compatible replacement for Audi & Volkswagen 4 cylinder 1.8T, see below for full details
  • 2 year or 24,000 mile warranty - If the part ever fails on your A4, TT, Jetta, Golf and Passat within the warranty period simply contact us for a...
  • OEM Quality, Fit, and Finish - While this is NOT a genuine OEM part, it will look, fit and function like the factory coils on your vehicle if not...
Bestseller No. 5
Bapmic 06A129101D PCV Crankcase Breather Vent Purge Valve for Volkswagen Audi A4 TT Passat Golf...
  • For Audi TT A4 Quattro Volkswagen Golf Jetta Passat
  • Aftermarket Product with Premium Quality. 1 Year Warranty
  • Enhance Performanc.Easy Installation.High Reliability
  • Perfect Match for the Original Car.Please verify Fitment or Application
  • Replacement OEM ( Original Equipment Part) Number: 06A129101A, 06A129101D, 06A 129 101 A, 06A 129 101 D. Other Part Number: 045-0392, G16001
SaleBestseller No. 6
Marsauto 194 LED Light Bulb 6000K 168 T10 2825 5SMD LED Replacement Bulbs for Car Dome Map Door...
  • Fit bulb size: T10, 147, 152, 158, 159, 161, 168, 175, 184, 192, 193, 194 2825 W5W, 194 LED bulb can fit map light, dome light, license plate light,...
  • Notice: 194 led bulbs could fit most of positions of car, do not fit all positions of your car, according to the year and model of your car, please...
  • Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
  • No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes
  • Tips: 10 packs of 194 led bulbs of one set, for some vehicles, It may need a canbus decoder to fix flickering or error code
SaleBestseller No. 7
GOOACC 166 Pcs Car Retainer Clips &Screw Grommets - 12 Most Popular Sizes & Applications for GM...
  • MADE OF HIGH QUALITY NYLON - Made of very durable nylon that will not break instantly like other brands.
  • MULTI-USE - Covers 5mm to 10mm hole sizes clips and screw grommets for #6 #10 #12 and #14 screw sizes for exact OEM replacement,Great for door,...
  • TOUGH FASTENER REMOVER- Durable Plastic and Metal material that has advantage of high abrasion resistance,allow you to quickly and easily remove car...
  • STAY ORGANIZED - Comes with a box to store all your retainers with full listings of pieces, sizes & quantity
  • PACKAGE INCLUDES: 166pcs Clips & Screw Grommets with 1pc Plastic Storage Case, 1pc Fastener Remover Removal Tool
Bestseller No. 8
CTEK (56-564) Comfort Indicator Pigtail , Black
  • Easy to install
  • Comes standard with an end cap attached to ensure the connection stays in good condition while not in use
  • Convenient way to connect from a standard style O. E. , SAE or aftermarket pigtail lead to your CTEK products
  • Easy to read display
Bestseller No. 9
Phinlion Super Bright 3014 72-SMD 3056 3156 3057 3157 3457 4057 4157 Amber Yellow LED Light Bulbs...
  • (Set of 2 bulbs) 72 pcs high power & high brightness 3014 SMD LED chips, 360 degree light output; Voltage: DC 12V-24V, Color: amber yellow
  • Advantage: compatible for both CK/SRCK and standard socket, non-polarity design. Intelligent constant current IC, 6063 aluminum for excellent heat...
  • Application: front/rear turn signal blinker light, daytime running light(DRL), backup reverse light, side marker light, parking light, cornering...
  • Cross reference number: T25 3156 3157 3056 3456 4156 3155 3047 3057 3357 3457 4057 4144 4157 3157A 3157K 3157AK 3157X 3157ST 3157NA 3157NAK 3157NALL...
  • ONE YEAR warranty. PLEASE NOTE: For turn signal light upgrade,load resistor might be required to avoid hyper flashing or error code issue. Please...
SaleBestseller No. 10
URO Parts 06A129101D Crankcase Vent Valve, 20mm
  • Package Quantity: 1
  • Product Type: Auto Part
  • Package Dimensions: 8.636 cms (L) x 7.111 cms (W) x 5.588 cms (H)
  • Country Of Origin: China
SaleBestseller No. 11
Nilight 4 in 1 ON/OFF Charger Socket Panel Dual USB Socket Power Outlet & LED Voltmeter &Cigarette...
  • 4 in 1 DIY Toggle Switch Panel: Dual USB Socket + Voltmeter + 12V Outlet + ON/OFF Toggle Switch. It’s convenient for installing and operating. Also...
  • Real Time LED Voltmeter: The LED voltmeter shows accurate voltage status, reminds you whether the voltage is at a normal level, more secure for...
  • SAFETY: The wires was built-in 10A Fuse for over-load protection. It can charge safely, without risk of overheating or damaging devices.
  • Multifunctional product with LED indicator light, perfect for travel use. Fits for 12-24V Cars, Trucks, Marine Boats, ATV, RV, etc. The USB socket...
  • Package includes: 4 in 1 Toggle Switch Panel, 3 packs of connecting wires, 9 insulated terminals, 4 Mounting Screws, 1 Wiring Diagram
Bestseller No. 12
LivTee 5 pcs Auto Trim Removal Tool Kit, Interior Door Panel Clip Fastener Removal Set for Vehicle...
  • Made of super durable plastic material for long-time usage. Ergonomic design with super lightweight, easy handheld features which effectively effort...
  • Great for car audio/radio system installing or removing, door panel, moldings, window trims or automotive interior repairing and furniture...
  • Package includes 4 plastic panel removal tool + 1 fastener remover to facilitate your needs when repairing. A professional tool kit that is sturdy and...
  • Made of impact resistant nylon fiber material with matte surface treatment, tougher than common ABS one, it is eco-friendly, non-toxic and...
  • All tools are molded according to car trimming needs on the market, moderate curve that is not sharp, anti-scratches and harmless to car paint in the...
SaleBestseller No. 13
Nilight 12V Car Add-A-Circuit Fuse Tap Adapter Mini Atm Apm Blade Fuse Holder-10 Pack, 2 Years...
  • Dual-slot fuse holder: provides one fuse holder to protect existing circuit and a second fuse holder to protect new circuit
  • Easy to use: plugs into Occupied or vacant energized fuse block slot. Easy installation of additional circuits without splicing or cutting
  • Versatility: Use when hardwiring or adding LED strips, dash cams or other electronic devices that require direct wiring into the fuse box
  • Superior quality: made from high quality materials, good bending performance, melting resistance and excellent electrical conductivity
  • Package include: 10 x Add-A-Circuit fuse holder, 10 x 15A fuse
Bestseller No. 14
Bosch 0261210177 Original Equipment Crankshaft Position Sensor for Select Audi: 2001-06 A4, 2001-05...
  • [PREMIUM PERFORMANCE] - Bosch Original Equipment Crankshaft Position Sensors provide accurate detection of engine speed - engine speed is the main...
  • [ACTUAL OE] - Bosch Original Equipment Crankshaft Position Sensors aren't just a quality replacement component, they're the same sensor your vehicle...
  • [SUPERIOR ENGINEERING] - Robust design features precise digital measurement of rotational speeds, high resistance against external interference, and a...
  • [LONGER LIFE] - Bosch Crankshaft Position Sensors deliver the precision operation and long service life your vehicle needs for superior performance,...
  • Replaces OE numbers 071957147, 078906433A
SaleBestseller No. 15
GOOACC 635Pcs Car Push Retainer Clips & Auto Fasteners Assortment -16 Most Popular Sizes Nylon...
  • 【UNIVERSAL FIT KIT】- The kit contains 16 types of most common sizes of fastener clips, suitable for the OEM replacement in 6-10mm hole sizes,that...
  • 【TOP QUALITY】- These car retainer clips are made of high-quality black nylon material, anti-wear and anti-corrosion, would not break or crack...
  • 【PREFECT FOR WHAT YOU NEED】 - Up to 620 pieces of retainer clips in a plastic box, allows to freely DIY your vehicle accessories at anytime you...
  • 【BONUS ACCESSORIES】- We provide different size fastener removers and cable ties to help you quickly and easily remove car door panel and...
  • 【WIDE APPLICATION】- Professional push clips are widely used for car panel, door trim, bumper and fender for GM Ford Toyota Honda Chrysler etc.
SaleBestseller No. 16
Nilight - TL-01 6" Oval Red LED Tail 2PCS w/Surface Mount Grommets Plugs IP65 Waterproof Stop Brake...
  • Awesome Brightness: Each tail light has 10 PCS high-quality SMD LEDs to output super bright red light, high brightness of Turn/Brake light, low...
  • Easy Installation: The taillight comes with grommets for surface mount, also added a 3-prong watertight plug with attached wire. For installation, you...
  • Upgraded Unique Design: Niligh's tail light has unique “ears” on its two sides, upgrade notches on the inside of grommet, and a tighter attaching...
  • Ready For The Weather: Be highly silicon sealed, IP67 waterproof rating, always be ready for different kinds of weather attack
  • Universal Application: Work on a 12 V DC system, function as turn/Brake light, tail light for all kinds of trucks, trailers, tractors, semi-trailer,...
SaleBestseller No. 17
LUYED 2 X 900 Lumens Super Bright 3014 78-EX Chipsets 3056 3156 3057 3057K 3157 4157 LED Bulbs with...
  • ✔【Super Bright & Low Power】(Set of 2 bulbs,6500K,Xenon White) 3157 3014 78-EX Chipsets LED Bulbs,900 Lumens&3.6W Per Bulb,Much Brighter Than...
  • ✔【Application】Non-polarity design,Compatible for both CK/SRCK and Standard socket.Fits: 3057 3057K 3057LL 3155 3157 3157K 3157NA 3157NAK 3157LL...
  • ✔【Heat Dissipation】Built-in intelligent IC driver,stable input current protects the circuit,Ensure the secure temperature range and consistent...
  • ✔【Attention】Amazon filter system may not be 100% accurate, The bulb size may vary between trim of your vehicle,if the bulb can not fit your...
  • ✔【Service】If you have any questions, or meet any issues of the order, please let us know.All of our product enjoys 24h customer service,Just buy...
SaleBestseller No. 18
Metra 70-1787 Radio Wiring Harness for VW/Audi Bose Integration 1993-2007
  • Tuner bypass and Bose amplifier integration harness
  • 17Ft long
  • Includes antenna extension
  • The Vehicle need to be amplified before using the product
SaleBestseller No. 19
Nilight - NI -WA 06 LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade...
  • Universal fit: Compatible with all automobiles, boats and devices equipped with a 12 volt power source
  • Circuit protection: Power relay-safety protection and conversion circuit. Blade fuse protects the circuit when overcurrent or short circuit occurs.
  • Illuminated switch: 3 pin on/off rocker switch with red indicator light when truing on, easy to turn on or off, has been passed test of 5,000 times...
  • Two available leads: With 2 sets of light output connectors for dual lighting fixtures less than 180W, the connection is more stable.
  • Package include:1 x wiring harness kit, 1 x instructions.
SaleBestseller No. 20
LivTee Led Panel Lights with 194 168 2825 T10 W5W / DE3175 6428 / BA9S 64111/6418 DE3423 DE3425 /...
  • High Brightness 32 SMD 2835 LED Chips, Voltage: 12V, Xenon White(6000K).
  • Super bright, 3 adapters you can choose, T10 / BA9S / Festoon, esay installation.
  • Application: Interior Dome Light, Map Light, Reading light, Trunk light, Side door light, Cargo light, Courtesy light ect.
  • Package Included: 4 x LED Panel Light; 4 x BA9S Adapters; 4 x T10 Adapters; 4 x Festoon Adapters
  • Warranty: fully ONE YEAR guaranteed for the manufacturer defect. Please check the fitment note application before purchasing.

Having trouble finding a great 2003 Audi A4 1.8 T Aftermarket Parts?

This problem is well understood by us because we have gone through the entire 2003 Audi A4 1.8 T Aftermarket Parts research process ourselves, which is why we have put together a comprehensive list of the best 2003 Audi A4 1.8 T Aftermarket Partss available in the market today.

After hours of searching and using all the models on the market, we have found the best 2003 Audi A4 1.8 T Aftermarket Parts for 2023. See our ranking below!

How Do You Buy The Best 2003 Audi A4 1.8 T Aftermarket Parts?

Do you get stressed out thinking about shopping for a great 2003 Audi A4 1.8 T Aftermarket Parts? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 2003 Audi A4 1.8 T Aftermarket Parts, which is why we have assembled a comprehensive list of the greatest 2003 Audi A4 1.8 T Aftermarket Parts available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 2003 Audi A4 1.8 T Aftermarket Parts that you consider buying. Your questions might include the following:

  • Is it worth buying an 2003 Audi A4 1.8 T Aftermarket Parts?
  • What benefits are there with buying an 2003 Audi A4 1.8 T Aftermarket Parts?
  • What factors deserve consideration when shopping for an effective 2003 Audi A4 1.8 T Aftermarket Parts?
  • Why is it crucial to invest in any 2003 Audi A4 1.8 T Aftermarket Parts, much less the best one?
  • Which 2003 Audi A4 1.8 T Aftermarket Parts are good in the current market?
  • Where can you find information like this about 2003 Audi A4 1.8 T Aftermarket Parts?

We’re convinced that you likely have far more questions than just these regarding 2003 Audi A4 1.8 T Aftermarket Parts, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 2003 Audi A4 1.8 T Aftermarket Parts, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 2003 Audi A4 1.8 T Aftermarket Parts. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 2003 Audi A4 1.8 T Aftermarket Parts buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 2003 Audi A4 1.8 T Aftermarket Parts currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 2003 Audi A4 1.8 T Aftermarket Parts has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 2003 Audi A4 1.8 T Aftermarket Parts?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 2003 Audi A4 1.8 T Aftermarket Parts.
  5. Customer Ratings: Number ratings grade 2003 Audi A4 1.8 T Aftermarket Parts objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 2003 Audi A4 1.8 T Aftermarket Parts.
  7. Product Quality: You don’t always get what you pay for with an 2003 Audi A4 1.8 T Aftermarket Parts, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 2003 Audi A4 1.8 T Aftermarket Parts is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 2003 Audi A4 1.8 T Aftermarket Parts information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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