2004 Hyundai Sonata Engine Parts

This table covers the seals at the Balance Shaft. 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 2004 Hyundai Sonata — HYUNDAI 2142132030.

This table covers the camshafts that open the valves. Read more

One part is listed for the 2004 Hyundai Sonata — AJUSA 93072500.

This table covers the Camshaft plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

5 Camshaft Plug parts are listed for the 2004 Hyundai Sonata, from FEL-PRO, ELRING, HYUNDAI and 2 other brands. FEL-PRO CP75023 carries the "Popular" badge.

This group includes FEL-PRO CP75023, ELRING 725780 and HYUNDAI 2232735504 and the remaining parts above.

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

4 Camshaft Repair Sleeve parts for the 2004 Hyundai Sonata come from 4 brands — NATIONAL, SCHAEFFLER, TIMKEN and 1 other brand.

This group includes NATIONAL 99114, SCHAEFFLER SR3472 and TIMKEN KWK99139 and the remaining parts above.

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

24 Camshaft Seal parts for the 2004 Hyundai Sonata come from 14 brands — BCA, FEL-PRO, NATIONAL and 11 other brands. The "Popular" part is BCA NS223010.

This table covers the Circular / Semi-Circular plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

3 Circular / Semi-Circular Plug parts for the 2004 Hyundai Sonata come from 3 brands — APEX, ELRING and HYUNDAI.

Part numbers include APEX ACP203, ELRING 372780 and HYUNDAI 2244223500.

This table covers the connecting rods between each piston and the crankshaft. Read more

One part is listed for the 2004 Hyundai Sonata — TOPLINE CRHY7.

This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

3 Connecting Rod Bearing parts are listed for the 2004 Hyundai Sonata, from ENGINETECH, ITM ENGINE COMPONENTS and TOPLINE.

Listed part numbers: ENGINETECH BB1507, ITM ENGINE COMPONENTS 6B9647 and TOPLINE RBHY7.

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

6 Conversion / Lower Gasket Set parts are listed for the 2004 Hyundai Sonata, from APEX, ENGINETECH, AJUSA and 3 other brands. APEX ACS2042 carries the "Popular" badge.

Part numbers include APEX ACS2042, ENGINETECH HY27CSA and AJUSA 54094100, among others listed above.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

5 Crankshaft Main Bearing parts for the 2004 Hyundai Sonata come from 3 brands — TOPLINE, ENGINETECH and ITM ENGINE COMPONENTS. The "Popular" part is ENGINETECH BC1507.

This group includes ENGINETECH BC1507, ITM ENGINE COMPONENTS 4M9246 and TOPLINE TWHY7L and the remaining parts above.

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

5 Crankshaft Repair Sleeve parts for the 2004 Hyundai Sonata come from 5 brands — NATIONAL, BCA, SCHAEFFLER and 2 other brands. The "Popular" part is NATIONAL 99145.

This group includes NATIONAL 99145, BCA NS99145 and SCHAEFFLER SR4135 and the remaining parts above.

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

29 Crankshaft Seal parts for the 2004 Hyundai Sonata come from 16 brands — VICTOR REINZ, TIMKEN, ELRING and 13 other brands. The "Popular" part is APEX ABS209. A list this long means Crankshaft Seal applications vary by configuration — the notes carry the qualifiers.

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

6 Cylinder Head Bolt parts are listed for the 2004 Hyundai Sonata, from ENGINETECH, FEL-PRO, AJUSA and 3 other brands. ENGINETECH HB178 carries the "Popular" badge.

Listed part numbers: ENGINETECH HB178, FEL-PRO ES72205 and AJUSA 81050100, plus the other parts above.

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

16 Cylinder Head Gasket parts are listed for the 2004 Hyundai Sonata, from APEX, FEL-PRO, AJUSA and 6 other brands. APEX AHG242L carries the "Popular" badge.

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

16 Cylinder Head Gasket Set parts are listed for the 2004 Hyundai Sonata, from ENGINETECH, FEL-PRO, APEX and 6 other brands. APEX AHS2079 carries the "Popular" badge.

This table covers the Cylinder Head Spacer shims. Read more

SBI supplies both parts for the 2004 Hyundai Sonata.

Listed part numbers: SBI 2302191L and SBI 2302191R.

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 11402.

This table covers the Engine covers. Read more

TECHPRO supplies the 6 Engine Cover parts for the 2004 Hyundai Sonata.

This group includes TECHPRO HY1228131, TECHPRO HY1228126 and TECHPRO HY1228127 and the remaining parts above.

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

3 Engine Kit Gasket Set parts are listed for the 2004 Hyundai Sonata, from AJUSA, APEX and TOPLINE.

Part numbers include AJUSA 50214200, APEX AFS2042 and TOPLINE CGSHY8.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

6 Exhaust Valve parts for the 2004 Hyundai Sonata come from 6 brands — ENGINETECH, MELLING, ITM ENGINE COMPONENTS and 3 other brands. The "Popular" part is ENGINETECH EM4351.

Listed part numbers: ENGINETECH EM4351, MELLING V0809 and ITM ENGINE COMPONENTS RX9611, plus the other parts above.

This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

One part is listed for the 2004 Hyundai Sonata — TOPLINE EPSHY7.

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

6 Harmonic Balancer parts are listed for the 2004 Hyundai Sonata, from SKP, ATP, DORMAN and 3 other brands. SKP SK594268 carries the "Popular" badge.

In the Economy grade, SKP supplies 1 part: the catalog's value-priced group. A representative part number is SKP SK594268.

The Standard Replacement section lists 4 options from ATP, DORMAN, PIONEER and 1 other brand — built to original-equipment specification. ATP 102227 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This group includes SKP SK594268, ATP 102227 and DORMAN 594268 and the remaining 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

9 Intake Manifold Gasket parts are listed for the 2004 Hyundai Sonata, from VICTOR REINZ, APEX, FEL-PRO and 5 other brands. APEX AMS2420 carries the "Popular" badge.

Part numbers include APEX AMS2420, FEL-PRO MS96597 and AJUSA 13145800, among others listed above.

This table covers the gaskets that seal the Intake Plenum. 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

7 Intake Plenum Gasket parts for the 2004 Hyundai Sonata come from 6 brands — VICTOR REINZ, FEL-PRO, MAHLE / CLEVITE and 3 other brands. The "Popular" part is FEL-PRO MS96591.

Part numbers include FEL-PRO MS96591, MAHLE / CLEVITE MS19307 and AJUSA 00855400, among others listed above.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

7 Intake Valve parts for the 2004 Hyundai Sonata come from 7 brands — ENGINETECH, MELLING, HYUNDAI and 4 other brands. The "Popular" part is ENGINETECH IM4350.

Listed part numbers: ENGINETECH IM4350, MELLING V0808 and HYUNDAI 2221137201, plus the other parts above.

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

13 Motor Mount parts for the 2004 Hyundai Sonata come from 5 brands — ANCHOR, DEA / MARMON RIDE CONTROL, WESTAR and 2 other brands. The "Popular" part is ANCHOR 8769.

This table covers the Motor Mount kits. Read more

This group shows a single part: ANCHOR 301327.

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

23 Oil parts for the 2004 Hyundai Sonata come from 3 brands — MOBIL, VALVOLINE and IDEMITSU. The "Popular" part is MOBIL 125195.

The Conventional section lists 3 options from VALVOLINE — grouped under the catalog's "Conventional" designation — the notes column spells out what sets them apart. VALVOLINE 797578 is listed in this group.

The Full Synthetic section lists 9 options from MOBIL and VALVOLINE — full-synthetic oils. MOBIL 125195 is listed in this group.

The Heavy Duty / Diesel section lists 1 option from MOBIL — grouped under the catalog's "Heavy Duty / Diesel" designation — the notes column spells out what sets them apart. MOBIL 122253 is listed in this group.

In the High Mileage (>75,000 Miles) grade, MOBIL and VALVOLINE supply 6 parts: oils grouped for high-mileage engines. A representative part number is MOBIL 103767.

The Racing section lists 1 option from IDEMITSU — grouped under the catalog's "Racing" designation — the notes column spells out what sets them apart. IDEMITSU 30018100750 is listed in this group.

The Synthetic Blend section lists 3 options from MOBIL — synthetic-blend oils. MOBIL 124406 is listed in this group.

This table covers the Oil Cooler Mounting kits. Read more

HAYDEN supplies both parts for the 2004 Hyundai Sonata.

Part numbers include HAYDEN 238 and HAYDEN 153.

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

10 Oil Drain Plug parts for the 2004 Hyundai Sonata come from 7 brands — DORMAN, ELRING, ACKOJA and 4 other brands. The "Popular" part is DORMAN 090033.

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

9 Oil Drain Plug Gasket parts are listed for the 2004 Hyundai Sonata, from FEL-PRO, ACKOJA, MAHLE / CLEVITE and 4 other brands. FEL-PRO 72515 carries the "Popular" badge.

Part numbers include FEL-PRO 72515, MAHLE / CLEVITE 72112 and ACKOJA A532804, among others listed above.

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

4 Oil Filler Cap parts for the 2004 Hyundai Sonata come from 4 brands — CALORSTAT, HYUNDAI, MOTORAD and 1 other brand.

Listed part numbers: CALORSTAT OC2314, HYUNDAI 2651037400 and MOTORAD MO144, plus the other parts above.

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

18 Oil Filter parts for the 2004 Hyundai Sonata come from 15 brands — BOSCH, VARIOUS MFR, WIX and 12 other brands. The "Popular" part is MOBIL M1108A.

The Economy section: 6 options from BOSCH, CHAMP / LUBER-FINER, FRAM and 3 other brands. BOSCH 72228WS is listed in this group.