2011 Kia Optima Engine Parts

This table covers the Balance shafts. Read more

One part is listed for the 2011 Kia Optima — KIA 233002G951.

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 2011 Kia Optima — PREFERRED COMPONENTS INC T66222.

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

This group shows a single part: HYUNDAI 242002G750.

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

This group shows a single part: TOPLINE CRHY24.

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

6 Connecting Rod Bearing parts for the 2011 Kia Optima come from 4 brands — KING ENGINE BEARINGS, ENGINETECH, TOPLINE and 1 other brand. 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 1 other brand supply 5 parts: built to original-equipment specification. A representative part number is ENGINETECH BB1041.

Listed part numbers: ENGINETECH BB1041, KING ENGINE BEARINGS CR4634XP and TOPLINE RBHY11, plus the other 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

4 Conversion / Lower Gasket Set parts for the 2011 Kia Optima come from 4 brands — AJUSA, APEX, FEL-PRO and 1 other brand.

This group includes AJUSA 54243500, APEX ACS2092 and FEL-PRO CS263331 and the remaining parts 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

6 Crankshaft Main Bearing parts are listed for the 2011 Kia Optima, from KING ENGINE BEARINGS, TOPLINE, MAHLE / CLEVITE and 1 other brand. KING ENGINE BEARINGS MB5707SI 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: 5 options from TOPLINE, KING ENGINE BEARINGS, MAHLE / CLEVITE and 1 other brand. KING ENGINE BEARINGS MB5707SI is listed in this group.

Listed part numbers: KING ENGINE BEARINGS MB5707SI, KING ENGINE BEARINGS MB5771XP and MAHLE / CLEVITE MS2330A, plus the other 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 2011 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

21 Crankshaft Seal parts are listed for the 2011 Kia Optima, from VICTOR REINZ, FEL-PRO, NATIONAL and 9 other brands. BCA NS224200 carries the "Popular" badge.

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

7 Cylinder Head Bolt parts for the 2011 Kia Optima come from 7 brands — AJUSA, FEL-PRO, APEX and 4 other brands. The "Popular" part is AJUSA 81045900.

Part numbers include AJUSA 81045900, FEL-PRO ES724651 and APEX AHB292, among others listed 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

6 Cylinder Head Gasket parts for the 2011 Kia Optima come from 6 brands — FEL-PRO, ITM ENGINE COMPONENTS, AJUSA and 3 other brands. The "Popular" part is FEL-PRO 26707PT.

Part numbers include FEL-PRO 26707PT, ITM ENGINE COMPONENTS 0949858 and AJUSA 10198000, among others listed 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

7 Cylinder Head Gasket Set parts for the 2011 Kia Optima come from 5 brands — AJUSA, ITM ENGINE COMPONENTS, ULTRA-POWER and 2 other brands. The "Popular" part is ITM ENGINE COMPONENTS 0910342.

Part numbers include ITM ENGINE COMPONENTS 0910342, ULTRA-POWER HS54741C and AJUSA 52474200, among others listed above.

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

KAT'S HEATERS supplies both parts for the 2011 Kia Optima.

Listed part numbers: KAT'S HEATERS 11812 and KAT'S HEATERS 28812.

This table covers the Engine covers. Read more

4 Engine Cover parts for the 2011 Kia Optima come from 2 brands — TECHPRO and VARIOUS MFR.

Part numbers include TECHPRO KI1228129, TECHPRO KI1228128 and TECHPRO KI1228137, among others listed 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

6 Engine Kit Gasket Set parts for the 2011 Kia Optima come from 4 brands — AJUSA, ENGINETECH, ITM ENGINE COMPONENTS and 1 other brand. The "Popular" part is ENGINETECH HY24K4.

Part numbers include ENGINETECH HY24K4, ITM ENGINE COMPONENTS 0909834 and AJUSA 50429200, among others listed above.

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

5 Exhaust Valve parts are listed for the 2011 Kia Optima, from MELLING, ITM ENGINE COMPONENTS, QUALCAST and 2 other brands. MELLING V3256 carries the "Popular" badge.

Part numbers include MELLING V3256, ITM ENGINE COMPONENTS RX9973 and QUALCAST 1013191, among others listed above.

This table covers the followers that drive a mechanical fuel pump off the camshaft. Read more

2 Fuel Pump Camshaft Follower parts for the 2011 Kia Optima come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS GDF401 and WELLS 5T5017.

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

6 Harmonic Balancer parts for the 2011 Kia Optima come from 5 brands — ATP, SKP, ULTRA-POWER and 2 other brands. The "Popular" part is ULTRA-POWER 594706.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SK594706 is listed in this group.

Standard Replacement: 4 parts, from ATP, ULTRA-POWER and DORMAN. A representative part number is ULTRA-POWER 594706.

1 further part sits outside the graded sections, with the same engine-level match.

Listed part numbers: ULTRA-POWER 594706, SKP SK594706 and ATP 102326, plus the other parts 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

2 Intake Manifold parts are listed for the 2011 Kia Optima, from DORMAN and LARES.

Listed part numbers: DORMAN 615949 and LARES 33505.

This table covers the Intake Manifold actuators. 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 IMA142.

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

7 Intake Manifold Gasket parts for the 2011 Kia Optima come from 5 brands — FEL-PRO, AJUSA, APEX and 2 other brands. The "Popular" part is APEX AMS13350.

This group includes APEX AMS13350, FEL-PRO MS97319 and AJUSA 13240100 and the remaining parts 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

This group shows a single part: DORMAN 911724.

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

6 Intake Valve parts are listed for the 2011 Kia Optima, from MELLING, SBI, ENGINETECH and 3 other brands. MELLING V3255 carries the "Popular" badge.

This group includes MELLING V3255, SBI 13255 and ENGINETECH IM4436 and the remaining 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

5 Motor Mount parts are listed for the 2011 Kia Optima, from PIONEER, DEA / MARMON RIDE CONTROL, ANCHOR and 1 other brand. DEA / MARMON RIDE CONTROL A71001 carries the "Popular" badge.

This group includes DEA / MARMON RIDE CONTROL A71001, ANCHOR 9766 and HYUNDAI 219502T000 and the remaining parts above.

This table covers the Motor Mount kits. Read more

One part is listed for the 2011 Kia Optima — ANCHOR 300463.

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

104 Oil parts are listed for the 2011 Kia Optima, from VALVOLINE, LIQUI MOLY, MOBIL and 4 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 60 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

4 Oil Cooler parts are listed for the 2011 Kia Optima, from AUTOTECNICA, HYUNDAI, SKP and 1 other brand.

Part numbers include AUTOTECNICA HY1421717, HYUNDAI 264102G000 and SKP SK117107, among others listed above.

This table covers the Oil Cooler Mounting kits. Read more

2 Oil Cooler Mounting Kit parts for the 2011 Kia Optima come from HAYDEN.

This group includes 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 2011 Kia Optima, from DORMAN, AGS, ENGINETECH and 2 other brands. DORMAN 090033 carries the "Popular" badge.

This group includes DORMAN 090033, DORMAN 090053 and AGS ODP00007 and the remaining 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

5 Oil Drain Plug Gasket parts for the 2011 Kia Optima come from 3 brands — DORMAN, FEL-PRO and ULTRA-POWER. The "Popular" part is DORMAN 095144.

Listed part numbers: DORMAN 095144, DORMAN 095147 and DORMAN 995147CD, plus the other parts above.

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

4 Oil Filler Cap parts are listed for the 2011 Kia Optima, from CALORSTAT, GATES, MOTORAD and 1 other brand.

Part numbers include CALORSTAT OC2331, GATES 31083 and MOTORAD MO151, 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

16 Oil Filter parts are listed for the 2011 Kia Optima, from BOSCH, VARIOUS MFR, HYUNDAI and 10 other brands. MOBIL M1104A carries the "Popular" badge.

Economy: 3 parts, from BOSCH, FRAM and VARIOUS MFR. A representative part number is BOSCH 72228WS.

In the High Performance / Heavy Duty grade, MOBIL supplies 1 part: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1104A.

The Standard Replacement section: 12 options from HYUNDAI, ACDELCO, BOSCH and 8 other brands. ACDELCO PF1127 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

This group shows a single part: MAHLE / CLEVITE B32410.

This table covers the Oil nozzles. Read more

One part is listed for the 2011 Kia Optima — MELLING 5470N.

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

9 Oil Pan parts for the 2011 Kia Optima come from 7 brands — SKP, SPECTRA PREMIUM, DORMAN and 4 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

5 Oil Pan Gasket parts are listed for the 2011 Kia Optima, from VICTOR REINZ, APEX, FEL-PRO and 1 other brand. VICTOR REINZ 703141410 carries the "Popular" badge.

This group includes VICTOR REINZ 703141410, APEX AOP292 and FEL-PRO OS30782 and the remaining parts above.

This table covers the chains that drive the oil pump. Read more

9 Oil Pump Chain parts for the 2011 Kia Optima come from 6 brands — MELLING, PREFERRED COMPONENTS INC, S.A. GEAR and 3 other brands. The "Popular" part is MELLING 901C.

The Kit section lists 3 options from PREFERRED COMPONENTS INC and MELLING — grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. MELLING 3901CSX is listed in this group.

Standard Replacement: 6 parts, from S.A. GEAR, MELLING, CLOYES and 2 other brands. A representative part number is MELLING 901C.

Part numbers include MELLING 901C, MELLING 3901CSX and PREFERRED COMPONENTS INC TS21774, among others listed above.