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Oil Filters

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HP-2004
Product Information
Product Information
K&N Performance Oil filter
The K&N HP-2004 is a high-performance "Performance Gold" spin-on oil filter designed for demanding automotive applications, featuring a 1-inch welded hex nut for easy removal. It is engineered for high flow rates, superior filtration, and durability with thick canister walls.

Fits:
Porsche 912 E 2.0L H4 F/I 1976
Porsche 914  2.0L H4 F/I  1973 - 1976
Porsche 914  1.8L H4 F/I  1974 - 1975
Porsche 914  1.7L H4 F/I 1970 - 1973


K&N® premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N's pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. 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, and is protected by the K&N® 1-Year Limited Warranty.

Product details
•  
Designed to allow high flow rates and a consistent flow of oil to your engine
  Pleated synthetic-blend filtration media removes most harmful contaminants
•  Fast and easy Wrench-Off® removal using the welded one-inch hex nut
•  High capacity to withstand the service intervals recommended by vehicle manufacturers
•  Heavy-duty canister for outstanding durability
•  Laboratory tested to ensure excellent capacity, efficiency, and mechanical strength
•  Designed to operate with all synthetic, conventional, and blended motor oils
•  1-Year Limited Warranty

Specification:
  Filter Material:   High Flow Premium Media
  Gasket Material:   High Temperature Nitrile
  Height:   4 in (102 mm)
  Outside Diameter:   3.656 in (93 mm)
  PSI Relief Valve:   8-11
  Removal Nut:  Yes
  Style:   Spin-On
  Thread Specification:   3/4 In. - 16UNF-2B

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HP-2004
021115351A

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021115351A
Product Information
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Oil filter.

porsche

Fits:
Porsche 914-4 1970-76
Porsche 912E

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021115351A
021115351A

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021115351A/1
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Oil filter.

bosch

Fits:
Porsche 914-4 1970-76
Porsche 912E

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021115351A
021115351A
0451103084

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021115351A/2
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Product Information
Oil filter.

mahle

Fits:
Porsche 914-4 1970-76
Porsche 912E

Related reference numbers
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021115351A
021115351A
0451103084

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DISPLAYING 1 to 4 (of 4 products)
About Oil Filters

Porsche Oil Filters | Design911 High-Performance Filters for Engine Protection & Longevity

Oil filters are essential to maintaining your Porsche’s engine health and performance. They remove microscopic particles, sludge, and contaminants from the engine oil, ensuring smooth lubrication and reducing wear on critical moving components. A clean, high-quality oil filter preserves engine efficiency, prevents premature wear, and extends service life — a must-have for any performance-focused or classic Porsche.

At Design911, we offer a comprehensive range of oil filters and filter housings designed for precise fitment, superior filtration, and long-lasting protection. Each unit is built from premium materials to maintain optimal oil flow and capture harmful particles effectively. Whether for routine maintenance, restoration, or motorsport preparation, our oil filters deliver proven reliability and peace of mind for every drive.

What Do Oil Filters Do?

Oil filters are a vital part of your Porsche’s lubrication system, ensuring that only clean, filtered oil circulates through the engine.

Core Functions:
• Trap and remove metal shavings, dirt, and combustion residues.
• Maintain oil cleanliness and viscosity for consistent lubrication.
• Prevent sludge buildup and abrasive wear on engine parts.
• Protect vital components like bearings, pistons, and camshafts.
• Support optimal oil pressure and performance.

High-quality oil filtration helps sustain your Porsche’s signature responsiveness and reliability across all driving conditions.

Why Do Oil Filters Fail or Degrade?

Over time and mileage, oil filters accumulate debris and lose efficiency, restricting oil flow and reducing engine protection.

Common Causes of Failure Include:
• Extended service intervals leading to clogged or saturated filters.
• Poor-quality or degraded filter media collapsing under pressure.
• Contamination from sludge or degraded oil.
• Seal deterioration causing leaks or pressure loss.
• Improper fitment or installation.

A worn or clogged oil filter can cause oil starvation, increased friction, and even serious engine damage — making timely replacement crucial for performance and longevity.

Why Replace or Upgrade Your Porsche Oil Filter?

Regular oil filter replacement ensures maximum engine protection and optimal performance. Upgrading to a performance-grade filter can also improve oil flow and filtration efficiency under high-load or track conditions.

Key Benefits:
• Restores oil cleanliness and pressure stability.
• Prevents wear and internal engine contamination.
• Extends oil life and enhances performance reliability.
• Available in paper, synthetic, and high-flow performance designs.
• Compatible with Porsche 911, 944, 968, Boxster, Cayman, Panamera, and Macan models.
• Ideal for servicing, tuning, or complete restoration projects.

Design911’s Porsche oil filters provide the engineering precision, protection, and durability required to keep your engine performing at its best — mile after mile.

Highlights

• Premium Porsche oil filters for all engine types.
• High-efficiency filtration for cleaner, longer-lasting oil.
• Precision fitment for both air- and water-cooled Porsche models.
• Engineered for performance, reliability, and protection.
• Perfect for servicing, maintenance, or performance upgrades.
• Available in standard and high-flow configurations.

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