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Audi S4 Engine Oil Filter Housings

Audi S4 Engine oil filter housings

Engine oil filter housings for the Audi S4 start at $62.95. We stock 5 options from Vaico, Standard Ignition, and SKP. The oil filter housing is the threaded or bolted assembly that holds the oil filter element against the engine block, maintaining pressurized oil flow to critical components. A cracked, warped, or stripped housing leaks oil externally, starves the engine of lubrication, and can cause rapid engine damage if ignored.

Signs your Audi S4 needs a new engine oil filter housing

  • Visible oil puddle or wet residue directly beneath the oil filter location on the engine block
  • Oil weeping or seeping from the housing seam, drain plug port, or threaded cap area
  • Persistent low oil pressure warning light after verifying oil level is correct
  • Oil burning smell from the engine bay caused by leaked oil contacting hot exhaust components nearby
  • Oil filter loosens or will not seat correctly because housing threads are stripped or cross-threaded
  • Recurring oil leaks that return immediately after replacing the filter gasket or O-ring, pointing to a warped or cracked housing body

Which engine oil filter housing should you buy for your Audi S4?

The main decision is whether to replace the full housing assembly or just its internal components such as the O-ring kit, drain plug, or bypass valve. Most housing failures on the Audi S4 are caused by deteriorated seals or cracked plastic bodies, so knowing which part has failed saves money. Material — plastic composite versus aluminum — also affects longevity and suitability for high-heat applications.

OEM-equivalent replacement housing
Best for
Restoring factory fit and function with no modifications
What you get
Full housing body matched to original dimensions, correct port locations, and factory-spec material
Housing with O-ring and seal kit included
Best for
Addressing a leak caused by worn seals without sourcing parts separately
What you get
Complete housing plus all gaskets, O-rings, and drain plug needed for a one-step repair
Upgraded aluminum housing
Best for
High-mileage engines or performance builds that run higher oil temperatures
What you get
Greater heat resistance and crack resistance than plastic OEM housings; typically heavier
O-ring and seal kit only (no housing body)
Best for
Housing body is intact but leaking only at sealing surfaces
What you get
Replacement seals and gaskets at lower cost when the housing itself is undamaged

Engine oil filter housings brands we stock for your Audi S4

Vaico
2 options · from $153.95
Standard Ignition
1 option · from $70.95
SKP
1 option · from $62.95
URO
1 option · from $82.95

Replacing the engine oil filter housing on a Audi S4

Moderate⏱ 1–2 hoursOil filter housing cap wrench or large socket matching the housing cap sizeSocket set and ratchet with extensionsDrain panTorque wrenchPick tool or small screwdriver for O-ring removal

Begin by draining the engine oil and removing the old filter to relieve residual oil in the housing. Unbolt or unthread the housing from the engine block, taking care not to damage coolant lines or sensors attached nearby on some Audi S4 configurations. Install the new housing or seals, hand-tighten first, then bring fasteners to the manufacturer-specified torque range — finger-tight plus a controlled final turn is typically sufficient for plastic cap housings to avoid cracking.

Frequently asked questions

How much does it cost to replace engine oil filter housings on a Audi S4?
Parts start at $62.95 for a Audi S4 oil filter housing. A full assembly with seals costs more than a seal-only kit. Add shop labor of one to two hours if you are not doing it yourself. Catching a housing leak early prevents far more expensive repairs like a seized engine from oil starvation.
Can I drive my Audi S4 with a leaking oil filter housing?
No. Even a slow oil filter housing leak on a Audi S4 will progressively worsen under engine heat and oil pressure. Continuing to drive risks dropping oil level to a point where the engine loses adequate lubrication, leading to accelerated wear or catastrophic bearing failure. Check the oil level immediately and arrange repair before driving further.
Is the oil filter housing the same as the oil filter adapter on a Audi S4?
They are closely related but not identical. The oil filter housing is the canister or cup that physically contains the filter element. The oil filter adapter is a separate threaded block that connects the housing to the engine block and routes oil ports. Some Audi S4 designs combine both into one assembly; others keep them separate.
How long does an oil filter housing last on a Audi S4?
Plastic oil filter housings on the Audi S4 typically last many years but become brittle with age and heat cycling, making them prone to cracking after a decade or more of use. Internal O-rings and seals wear out sooner. Replacing seals at regular oil change intervals and avoiding overtightening the filter cap helps extend housing life significantly.
What causes an oil filter housing to crack or fail on a Audi S4?
The most common causes on a Audi S4 are overtightening the filter cap, long-term heat cycling that embrittles plastic housings, using the wrong oil filter that stresses the housing threads, and deferred maintenance that allows O-rings to harden and crack. Physical impact from road debris or during other underhood repairs can also crack the housing body.
Do I need to replace the entire housing or just the O-ring on my Audi S4?
Inspect the housing body carefully before ordering. If the Audi S4 housing body is visibly cracked, warped at the sealing face, or has stripped threads, replace the full assembly. If the body is structurally sound and only sealing surfaces are leaking, an O-ring and seal kit is the correct and more economical fix.

Shop engine oil filter housings by year for the Audi S4

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