2008 Kia Optima Engine Parts

This table covers the chains that drive the balance shafts. Read more

This group shows a single part: PREFERRED COMPONENTS INC C774.

This table covers the Balance Shaft Chain tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

One part is listed for the 2008 Kia Optima — PREFERRED COMPONENTS INC T66222.

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

One part is listed for the 2008 Kia Optima — SCHAEFFLER SR3472.

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

One part is listed for the 2008 Kia Optima — SCHAEFFLER SS2449.

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

2 Connecting Rod parts for the 2008 Kia Optima come from 2 brands — ENGINETECH and TOPLINE.

This group includes ENGINETECH ECR405 and TOPLINE CRHY11.

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

7 Connecting Rod Bearing parts for the 2008 Kia Optima come from 5 brands — KING ENGINE BEARINGS, ENGINETECH, TOPLINE and 2 other brands. The "Popular" part is ENGINETECH BB1041.

The High Performance section lists 1 option from KING ENGINE BEARINGS — engineered beyond original-equipment specification. KING ENGINE BEARINGS CR4634XP is listed in this group.

In the Standard Replacement grade, KING ENGINE BEARINGS, ENGINETECH, TOPLINE and 2 other brands supply 6 parts: built to original-equipment specification. A representative part number is ENGINETECH BB1041.

This group includes ENGINETECH BB1041, KING ENGINE BEARINGS CR4634XP and TOPLINE RBHY11 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

7 Conversion / Lower Gasket Set parts for the 2008 Kia Optima come from 7 brands — FEL-PRO, MAHLE / CLEVITE, AJUSA and 4 other brands. The "Popular" part is FEL-PRO CS263331.

Part numbers include FEL-PRO CS263331, MAHLE / CLEVITE CS54741 and AJUSA 54140600, among others listed above.

This table covers the crankshafts that turn piston motion into rotation. Read more

This group shows a single part: TOPLINE CSHY11.

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

7 Crankshaft Main Bearing parts are listed for the 2008 Kia Optima, from KING ENGINE BEARINGS, TOPLINE, ENGINETECH and 2 other brands. ENGINETECH BC1030 carries the "Popular" badge.

High Performance: 1 part, from KING ENGINE BEARINGS. A representative part number is KING ENGINE BEARINGS MB5771XP.

The Standard Replacement section: 6 options from TOPLINE, ENGINETECH, KING ENGINE BEARINGS and 2 other brands. ENGINETECH BC1030 is listed in this group.

This group includes ENGINETECH BC1030, KING ENGINE BEARINGS MB5771XP and KING ENGINE BEARINGS MB5707SI and the remaining parts above.

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

4 Crankshaft Repair Sleeve parts are listed for the 2008 Kia Optima, from WJB / INMOTION PARTS, BCA and NATIONAL.

Listed part numbers: BCA NS99166, NATIONAL 99166 and WJB / INMOTION PARTS WS99166, plus the other 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

20 Crankshaft Seal parts are listed for the 2008 Kia Optima, from VICTOR REINZ, FEL-PRO, NATIONAL and 10 other brands. BCA NS224200 carries the "Popular" badge.

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

6 Cylinder Head Bolt parts for the 2008 Kia Optima come from 6 brands — AJUSA, FEL-PRO, APEX and 3 other brands. The "Popular" part is AJUSA 81045900.

This group includes AJUSA 81045900, FEL-PRO ES724651 and APEX AHB292 and the remaining 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

5 Cylinder Head Gasket parts for the 2008 Kia Optima come from 5 brands — AJUSA, APEX, BECK/ARNLEY and 2 other brands. The "Popular" part is AJUSA 10198000.

Listed part numbers: AJUSA 10198000, APEX AHG292 and BECK/ARNLEY 0352044, plus the other 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

9 Cylinder Head Gasket Set parts for the 2008 Kia Optima come from 7 brands — ENGINETECH, FEL-PRO, APEX and 4 other brands. The "Popular" part is APEX AHS2092.

Listed part numbers: APEX AHS2092, ENGINETECH HY24HSB and AJUSA 52238700, plus the other parts above.

This table covers the Cylinder Head Spacer shims. Read more

This group shows a single part: SBI 2302206.

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

KAT'S HEATERS supplies the 3 Engine Block Heater parts for the 2008 Kia Optima.

Part numbers include KAT'S HEATERS 11411, KAT'S HEATERS 11812 and KAT'S HEATERS 28812.

This table covers the Engine covers. Read more

5 Engine Cover parts for the 2008 Kia Optima come from 2 brands — TECHPRO and VARIOUS MFR. The "Popular" part is TECHPRO KI1228100.

This group includes TECHPRO KI1228100, TECHPRO KI1228116 and TECHPRO KI1228117 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

2 Engine Kit Gasket Set parts for the 2008 Kia Optima come from 2 brands — ENGINETECH and TOPLINE.

Part numbers include ENGINETECH HY24K1 and TOPLINE CGSHY11.

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 are listed for the 2008 Kia Optima, from ITM ENGINE COMPONENTS, MELLING, ENGINETECH and 3 other brands. ITM ENGINE COMPONENTS RX9973 carries the "Popular" badge.

This group includes ITM ENGINE COMPONENTS RX9973, MELLING V3256 and ENGINETECH EM4435 and the remaining parts above.

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

5 Harmonic Balancer parts for the 2008 Kia Optima come from 5 brands — SKP, ATP, DAYCO and 2 other brands. The "Popular" part is SKP SK594341.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SK594341 is listed in this group.

Standard Replacement: 4 parts, from ATP, DAYCO, DORMAN and 1 other brand. A representative part number is ATP 102326.

Part numbers include SKP SK594341, ATP 102326 and DAYCO PB1529N, among others listed above.

This table covers the Intake manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone. Read more

One part is listed for the 2008 Kia Optima — HYUNDAI 283102G030.

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

6 Intake Manifold Gasket parts for the 2008 Kia Optima come from 6 brands — FEL-PRO, MAHLE / CLEVITE, AJUSA and 3 other brands. The "Popular" part is FEL-PRO MS97116.

Part numbers include FEL-PRO MS97116, MAHLE / CLEVITE MS19692 and AJUSA 13206100, among others listed above.

This table covers the Intake Manifold Runner Control Valve solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

2 Intake Manifold Runner Control Valve / Solenoid parts for the 2008 Kia Optima come from 2 brands — SKP and STANDARD MOTOR PRODUCTS.

This group includes SKP SK913182 and STANDARD MOTOR PRODUCTS RCS101.

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

5 Intake Valve parts are listed for the 2008 Kia Optima, from SBI, ENGINETECH, ITM ENGINE COMPONENTS and 2 other brands. SBI 13255 carries the "Popular" badge.

Listed part numbers: SBI 13255, ENGINETECH IM4436 and ITM ENGINE COMPONENTS RV9973, 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

17 Motor Mount parts are listed for the 2008 Kia Optima, from DEA / MARMON RIDE CONTROL, SKP, ANCHOR and 3 other brands. SKP SKM9323 carries the "Popular" badge.

Economy: 3 parts, from SKP. A representative part number is SKP SKM9323.

The Standard Replacement section: 14 options from DEA / MARMON RIDE CONTROL, ANCHOR, PIONEER and 2 other brands. ANCHOR 9323 is listed in this group.

This table covers the Motor Mount kits. Read more

One part is listed for the 2008 Kia Optima — ANCHOR 300380.

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

99 Oil parts are listed for the 2008 Kia Optima, from VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands. MOBIL 125195 carries the "Popular" badge. Conventional, Full Synthetic, Heavy Duty / Diesel, High Mileage (>75,000 Miles), Racing and Synthetic Blend are all represented, and Full Synthetic alone accounts for 55 parts.

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

One part is listed for the 2008 Kia Optima — SKP SK117107.

This table covers the Oil Cooler Mounting kits. Read more

2 Oil Cooler Mounting Kit parts for the 2008 Kia Optima come from HAYDEN.

Part numbers include HAYDEN 238 and HAYDEN 153.

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

7 Oil Drain Plug parts are listed for the 2008 Kia Optima, from DORMAN, AGS, ENGINETECH and 2 other brands. DORMAN 090033 carries the "Popular" badge.

Listed part numbers: DORMAN 090033, DORMAN 090053 and AGS ODP00007, plus the other parts above.

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

2 Oil Drain Plug Gasket parts for the 2008 Kia Optima come from 2 brands — DORMAN and FEL-PRO.

Listed part numbers: DORMAN 095144 and FEL-PRO 73346.

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

4 Oil Filler Cap parts are listed for the 2008 Kia Optima, from CALORSTAT, GATES, MOTORAD and 1 other brand.

Part numbers include CALORSTAT OC2331, GATES 31083 and MOTORAD MO81, among others listed 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

20 Oil Filter parts are listed for the 2008 Kia Optima, from BOSCH, VARIOUS MFR, WIX and 13 other brands. WIX 51334XP carries the "Popular" badge.

Economy: 5 parts, from BOSCH, FRAM, FVP and 2 other brands. A representative part number is BOSCH 72228WS.

In the High Performance / Heavy Duty grade, WIX and MOBIL supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is WIX 51334XP.

The Standard Replacement section: 13 options from HYUNDAI, BOSCH, DENSO and 9 other brands. BOSCH 3312 is listed in this group.

This table covers the Oil Filter Adapter 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

2 Oil Filter Adapter Gasket / O-Ring parts for the 2008 Kia Optima come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO 72997 and MAHLE / CLEVITE B32410.

This table covers the Oil nozzles. Read more

One part is listed for the 2008 Kia Optima — MELLING 5470N.

This table covers the oil pans that hold the engine's oil sump. Read more

7 Oil Pan parts for the 2008 Kia Optima come from 6 brands — SKP, DORMAN, ULTRA-POWER and 3 other brands. The "Popular" part is DORMAN 264359.

Listed part numbers: DORMAN 264359 and ACKOJA A532800, plus the other parts above.

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

6 Oil Pan Gasket parts are listed for the 2008 Kia Optima, from VICTOR REINZ, MAHLE / CLEVITE, FEL-PRO and 1 other brand. FEL-PRO OS30782 carries the "Popular" badge.

Part numbers include FEL-PRO OS30782, VICTOR REINZ 703141410 and APEX AOP292, among others listed above.

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

3 Oil Pump parts are listed for the 2008 Kia Optima, from SKP, KIA and MELLING.

Economy: 1 part, from SKP. A representative part number is SKP SKM576.

The Standard Replacement section: 2 options from KIA and MELLING. KIA 2330025922 is listed in this group.

Listed part numbers: SKP SKM576, KIA 2330025922 and MELLING M576.