1991 Audi 80 Filters and PCVs

PurolatorBOSS Premium Oil Filters are the next generation in oil filtration, delivering maximum engine protection for up to 20,000 miles. PurolatorBOSS exclusively features SmartFUSION Technology “ a full synthetic filter media with reinforced polymer mesh backing for over 99% Dirt Removal Power. Engineered to work well with all oil types and viscosities, especially full synthetic oil, PurolatorBOSS is ideal for the most demanding driving conditions, including frequent towing and hauling, stop and go traffic, long commutes, long idle periods and extreme climates. Its rugged internal construction withstands wear and high mileage with a heavy duty BOSS Steel Casing and an innovative double helix, high-flow center tube for twice the strength of traditional side-seam designed center tubes. Widely available for most vehicles on the road today, PurolatorBOSS combines the latest filter technologies for long-lasting protection and advanced engine performance. Up to 20,000 miles – maximum engine protection; over 99% Dirt Removal Power. SmartFUSION Technology “ a full synthetic filter media with reinforced polymer mesh backing for expanded dirt holding capacity. Silicone anti-drainback valve prevents dry starts. BOSS Steel Casing withstands extreme pressure while metal end-caps enhance durability. PuroSEAL Gasket made from ethylene-acrylic for maximum leak protection.

Product Features:

• Up to 20,000 miles – maximum engine protection
• Ideal for full synthetic oils
• Over 99% Dirt Removal Power
• SmartFUSION Technology – a full synthetic filter media with reinforced polymer mesh backing for expanded dirt holding capacity
• Silicone anti-drainback valve prevents dry starts
• BOSS Steel Casing withstands extreme pressure while metal end-caps enhance durability
• PuroSEAL Gasket made from ethylene-acrylic for maximum leak protection

K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.

Carquest Premium oil filters are built for durability, utilizing enhanced components to protect engines for the extended drain intervals of modern vehicles using conventional or synthetic lubricants. Our oil filters are built with synthetic blend media that provides 2X the capacity and up to 10,000 miles of protection. Carquest Premium filters feature silicone sealing gaskets for better performance in extreme temperatures. Carquest Premium oil filters meet or exceed original equipment (O.E.) specifications and meet the requirements for maintaining a new vehicle warranty.

Product Features:

• Protection for up to 10,000 miles
• Synthetic blend media provides 99.5% efficiency at 20 microns and 2X capacity vs. Standard filters
• Solid metal end caps are designed to be long lasting
• Silicone anti-drain back valve for engine start-up protection
• Heavy-duty steel baseplate provides additional strength to resist leakage
• Heavy gauge steel canister withstands high pressure operating conditions
• Silicone sealing gasket performs better in extreme temperature conditions and longer drain intervals (silicone gasket is new feature introduced as a running change)
• Meets requirements for maintaining new vehicle warranties

CARQUEST Premium Oil Filters give you the level of quality and performance from the trusted CARQUEST name.

Product Features:

• 99.5% efficiency rating at 20 microns
• Blended media proven for up to 10,000 miles in taxi cab fleet testing
• High efficiency and durable cellulose/synthetic blended media for longer drain intervals
• Silicone anti-drainback valve has 3X the durability verses nitrile for engine start-up protection
• Metal end caps
• Internally lubricated gasket
• Precision coil spring relief valve

CARQUEST Standard Oil Filters give you the level of quality and application you have come to expect from the CARQUEST name.

Product Features:

• 94.1% efficiency rating at 20 microns
• Meets new car warranty requirements
• Precision coil spring relief valve
• Nitrile anti-drainback valve for engine start-up protection
• Metal end caps
• Cellulose/synthetic blended media
• Internally lubricated gasket

CARQUEST offers high quality, high efficiency fuel filters for automotive, medium and heavy trucks as well as farm, construction, mining and other equipment applications.

Product Features:

• Keeps dirt, debris and contaminants from clogging fuel lines and causing erratic, unstable fuel performance
• Manufactured to a strict quality standards with 98% efficiency at a 10 micron rating.
• Provides maximum fuel system protection.
• Designed to meet or exceed Original Equipment specifications
• Protects the injectors from debris that cause damage and clogging.
• Provides less restriction preventing the fuel pump from working too hard.
• Superior materials, design and construction ensure CARQUEST fuel filters provide excellent performance under all types of operating conditions.

A clogged fuel filter could lead to contaminants in the engine fluid – a common source of engine system failures. Protect fuel pumps and fuel injectors from these costly malfunctions. A Purolator® Fuel Filter scrubs fuel clean of dirt, rust and other contaminants for smooth and efficient engine performance.

Product Features:

• Removes water from the fuel system
• Prevents rust and corrosion in your engine
• Keeps fuel contaminant free
• Replace annually for peak performance
• Meets or exceeds OE specifications

Carquest Premium engine air filters are designed to meet OE fit, form and function for optimal filtration and engine protection. High-quality paper, enhanced bonding, and reinforced metal screen backing give Carquest Premium air filters the added strength and durability that modern engines demand. Built to meet or exceed original equipment standards, Carquest Premium air filters provide exceptional engine protection and optimal performance in all driving conditions.

These oil drain plug gaskets are designed to specific sizes and standards for reliable replacement at every oil change.

Product Features:

• Direct replacement – these engine oil drain plug gaskets are made to match the fit and performance of the original equipment components
• Restores functionality – built to restore a proper seal
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Oil Drain Plug

AGS ACCUFIT Oil Drain Plug is a high-coverage/low-part number program that covers up to 93% of all vehicles on the road, including domestic, European, Japanese, British, and Korean models, while reducing inventory and associated costs by 80%. Reducing stocked part numbers to just 13 and the superior quality built-in features make ACCUFIT your number one choice for oil drain plugs. Easy Install – Finger-grip wing for ease of installation. All plugs have 14mm hex – just one wrench works for all! Hi-Temp Gasket – Red hi-temp gasket for max sealing protection. Easy ID – Thread size etched on each plug. Rust Protection – Black oxide coating for rust and corrosion protection. Avoid Cross-Threading – Pilot-point tip to avoid cross-threading during installation.

Product Features:

• Easy Install – Finger-grip wing for ease of installation
• All plugs have 14mm hex – just one wrench works for all
• Hi-Temp Gasket – Red hi-temp gasket for max sealing protection