2019 Audi S4 Engine Parts

This table covers the wear sleeves used to restore a Camshaft seal surface. Read more

3 Camshaft Repair Sleeve parts for the 2019 Audi S4 come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS.

This group includes BCA NS99166, NATIONAL 99166 and WJB / INMOTION PARTS WS99166.

This table covers the seals at each camshaft end. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

5 Camshaft Seal parts for the 2019 Audi S4 come from 5 brands — BCA, ACDELCO, NATIONAL and 2 other brands. The "Popular" part is BCA NS224200.

This group includes BCA NS224200 and ACDELCO 224200 and the remaining parts above.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

2 Conversion / Lower Gasket Set parts are listed for the 2019 Audi S4, from AJUSA and VICTOR REINZ.

Listed part numbers: AJUSA 54261900 and VICTOR REINZ 081016401.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

This group shows a single part: WJB / INMOTION PARTS WS99333.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

5 Crankshaft Seal parts for the 2019 Audi S4 come from 3 brands — VICTOR REINZ, AJUSA and MAHLE / CLEVITE. The "Popular" part is VICTOR REINZ 813555300.

Listed part numbers: VICTOR REINZ 813555300, AJUSA 15088800 and AJUSA 15084000, plus the other parts above.

This table covers the bolts that clamp the cylinder head to the block. Read more

2 Cylinder Head Bolt parts are listed for the 2019 Audi S4, from AJUSA and MAHLE / CLEVITE.

Part numbers include AJUSA 81054000 and MAHLE / CLEVITE GS34094.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

5 Cylinder Head Gasket parts are listed for the 2019 Audi S4, from AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 10229700, AJUSA 10229800 and AJUSA 52500800 and the remaining parts above.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

3 Cylinder Head Gasket Set parts are listed for the 2019 Audi S4, from VICTOR REINZ and AJUSA.

This group includes AJUSA 52500700, VICTOR REINZ 021005002 and VICTOR REINZ 021005102.

This table covers the Cylinder Head temperature sensors. Typical signs include hard cold starts, a fan that never comes on, or a gauge that disagrees with the scan tool. A sensor that reads open or shorted is usually the part; an implausible-but-smooth reading can be wiring. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS TS686.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

This group shows a single part: KAT'S HEATERS 28400.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

One part is listed for the 2019 Audi S4 — AJUSA 50450700.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

4 Harmonic Balancer parts are listed for the 2019 Audi S4, from ATP, DORMAN, ULTRA-POWER and 1 other brand.

Listed part numbers: ATP 102375 and DORMAN 594751, plus the other parts above.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Intake Manifold Gasket parts are listed for the 2019 Audi S4, from AJUSA and VICTOR REINZ.

This group includes AJUSA 13282800 and VICTOR REINZ 711760700.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

9 Motor Mount parts for the 2019 Audi S4 come from 5 brands — SKP, ANCHOR, PIONEER and 2 other brands. The "Popular" part is SKP SK10216.

The Economy section lists 2 options from SKP — the catalog's value-priced group. SKP SK10216 is listed in this group.

In the Standard Replacement grade, ANCHOR, PIONEER, WESTAR and 1 other brand supply 7 parts: built to original-equipment specification. A representative part number is ANCHOR 10215.

Listed part numbers: SKP SK10216, SKP SK10215 and ANCHOR 10215, plus the other parts above.

This table covers the Motor Mount kits. Read more

This group shows a single part: ANCHOR 300966.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

16 Oil parts for the 2019 Audi S4 come from 5 brands — PENTOSIN, LIQUI MOLY, VAICO and 2 other brands. The "Popular" part is LIQUI MOLY 20238.

This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant. Read more

2 Oil Cooler parts for the 2019 Audi S4 come from 2 brands — NISSENS and VEMO.

This group includes NISSENS 91445 and VEMO V15606083.

This table covers the seals at the Oil Dipstick / Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2019 Audi S4 — FEL-PRO 73668.

This table covers the drain plugs in the oil pan. Read more

3 Oil Drain Plug parts for the 2019 Audi S4 come from 2 brands — REIN and VAICO.

This group includes REIN HWP1014, REIN HWU1014 and VAICO V105828.

This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

5 Oil Drain Plug Gasket parts are listed for the 2019 Audi S4, from DORMAN, FEL-PRO, JAPANESE OE and 1 other brand. DORMAN 095147 carries the "Popular" badge.

Listed part numbers: DORMAN 095147, DORMAN 995147CD and FEL-PRO 73350, plus the other parts above.

This table covers the caps on the oil filler neck. Read more

This group shows a single part: MOTORAD MO153.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

11 Oil Filter parts for the 2019 Audi S4 come from 10 brands — VARIOUS MFR, CHAMP / LUBER-FINER, ULTRA-POWER and 7 other brands. The "Popular" part is HENGST E914HD398.

The Economy section: 4 options from CHAMP / LUBER-FINER, ULTRA-POWER, VAICO and 1 other brand. CHAMP / LUBER-FINER P1074 is listed in this group.

Standard Replacement: 7 parts, from HENGST, MANN, WIX and 4 other brands. A representative part number is HENGST E914HD398.

This table covers the Oil Filter covers. Read more

One part is listed for the 2019 Audi S4 — MOTORAD MO374.

This table covers the Oil Filter housings. Read more

2 Oil Filter Housing parts are listed for the 2019 Audi S4, from DORMAN and REIN.

This group includes DORMAN 926528 and REIN HEU0119.

This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: AJUSA 01899000.

This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: VICTOR REINZ 703141410.

This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

This group shows a single part: PIERBURG 707919140.

This table covers the Oil Temperature senders. Read more

2 Oil Temperature Sender parts are listed for the 2019 Audi S4, from VEMO and VNE.

Economy: 1 part, from VEMO. A representative part number is VEMO V10720240.

The Standard Replacement section: 1 option from VNE. VNE 9408260 is listed in this group.

Listed part numbers: VEMO V10720240 and VNE 9408260.

This table covers the guides and dampers that keep the timing chain on its path. Read more

One part is listed for the 2019 Audi S4 — ÜRO PARTS 079109470.

This table covers the turbochargers that compress intake air. Read more

2 Turbocharger parts for the 2019 Audi S4 come from 2 brands — BORG-WARNER and ROTOMASTER.

Part numbers include BORG-WARNER 18539880164 and ROTOMASTER K1030177N.

This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

One part is listed for the 2019 Audi S4 — WELLS 5S15123.

This table covers the gaskets that seal the Turbocharger. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

One part is listed for the 2019 Audi S4 — AJUSA JTC12476.

This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

This group shows a single part: AJUSA OP11063.

This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

4 Valve Cover Gasket parts for the 2019 Audi S4 come from 2 brands — AJUSA and VICTOR REINZ.

Listed part numbers: AJUSA 11148000, AJUSA 11148100 and VICTOR REINZ 711761000, plus the other parts above.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

This group shows a single part: AJUSA 85009000.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

3 Valve Spring Retainer Keeper parts are listed for the 2019 Audi S4, from MELLING, QUALCAST and SBI.

Listed part numbers: MELLING VL1098, QUALCAST 345021 and SBI 1211098.

This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

4 Valve Stem Seal parts for the 2019 Audi S4 come from 3 brands — AJUSA, MAHLE / CLEVITE and VICTOR REINZ.

Part numbers include AJUSA 12037600, AJUSA 57077400 and MAHLE / CLEVITE SS45940A, among others listed above.

This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS VVT473.