2021 Kia Rio Engine Parts

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

This group shows a single part: CLOYES 96213.

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

One part is listed for the 2021 Kia Rio — TOPLINE RBHY22T.

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 2021 Kia Rio, from AJUSA and TOPLINE.

This group includes AJUSA 54244600 and TOPLINE CBSHY26.

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

2 Crankshaft Main Bearing parts for the 2021 Kia Rio come from TOPLINE.

Part numbers include TOPLINE MBHY26 and TOPLINE TWHY26.

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

3 Crankshaft Seal parts for the 2021 Kia Rio come from 2 brands — AJUSA and FEL-PRO.

Part numbers include AJUSA 15096500, AJUSA 15096400 and FEL-PRO BS40740.

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

2 Cylinder Head Bolt parts are listed for the 2021 Kia Rio, from AJUSA and TOPLINE.

Part numbers include AJUSA 81061400 and TOPLINE HBHY26.

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

One part is listed for the 2021 Kia Rio — AJUSA 10197100.

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

2 Cylinder Head Gasket Set parts are listed for the 2021 Kia Rio, from AJUSA and TOPLINE.

This group includes AJUSA 52573500 and TOPLINE HSHY26M.

This table covers the Engine covers. Read more

One part is listed for the 2021 Kia Rio — TECHPRO KI1228194.

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 are listed for the 2021 Kia Rio, from AJUSA and TOPLINE.

Part numbers include AJUSA 50525400 and TOPLINE CGSHY26M.

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

This group shows a single part: TOPLINE EVHY26.

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 2021 Kia Rio, from AJUSA and ELRING.

This group includes AJUSA 13275000 and ELRING B06380.

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

This group shows a single part: TOPLINE IVHY26.

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

This group shows a single part: ANCHOR 10381.

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

59 Oil parts for the 2021 Kia Rio come from 6 brands — MOBIL, VALVOLINE, LIQUI MOLY and 3 other brands. The "Popular" part is MOBIL 125195. Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend are all represented, and Full Synthetic alone accounts for 42 parts.

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

6 Oil Drain Plug parts for the 2021 Kia Rio come from 4 brands — DORMAN, ELRING, REIN and 1 other brand. The "Popular" part is DORMAN 090033.

Part numbers include DORMAN 090033, DORMAN 090053 and ELRING 523500, among others listed 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

4 Oil Drain Plug Gasket parts are listed for the 2021 Kia Rio, from DORMAN, AJUSA and FEL-PRO.

This group includes AJUSA 22007100, DORMAN 095147 and DORMAN 995147CD and the remaining parts above.

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

2 Oil Filler Cap parts for the 2021 Kia Rio come from MOTORAD.

This group includes MOTORAD MO151 and MOTORAD MO223.

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 2021 Kia Rio come from 9 brands — VARIOUS MFR, PRO-TEC, CHAMP / LUBER-FINER and 6 other brands. The "Popular" part is PRO-TEC PXL10473.

The Economy section lists 4 options from PRO-TEC, VARIOUS MFR, CHAMP / LUBER-FINER and 1 other brand — the catalog's value-priced group. PRO-TEC PXL10473 is listed in this group.

In the Standard Replacement grade, VARIOUS MFR, WIX, BECK/ARNLEY and 3 other brands supply 7 parts: built to original-equipment specification. A representative part number is WIX WL10473.

This table covers the Oil Filter covers. Read more

2 Oil Filter Cover parts are listed for the 2021 Kia Rio, from AUTOTECNICA and MOTORAD.

Part numbers include AUTOTECNICA HY1422872 and MOTORAD MO387.

This table covers the Oil Filter housings. Read more

One part is listed for the 2021 Kia Rio — SKP SK263002.

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

One part is listed for the 2021 Kia Rio — SPECTRA PREMIUM HYP18A.

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: TOPLINE OPHY26M.

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

One part is listed for the 2021 Kia Rio — CLOYES C541.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

One part is listed for the 2021 Kia Rio — TOPLINE PAHY26M.

This table covers the rings that seal each piston to the cylinder wall. Read more

One part is listed for the 2021 Kia Rio — TOPLINE RSHY26.

This table covers the timing chains that keep the cams in time with the crank. Read more

3 Timing Chain parts are listed for the 2021 Kia Rio, from CLOYES and HYUNDAI.

Listed part numbers: CLOYES C531, CLOYES C540 and HYUNDAI 243212M000.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

3 Timing Chain & Component Kit parts for the 2021 Kia Rio come from 2 brands — CLOYES and INA.

Listed part numbers: CLOYES 90531SX, CLOYES 90540SX and INA ZC76305.

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

CLOYES supplies the 5 Timing Chain Guide / Damper parts for the 2021 Kia Rio. CLOYES 96214 carries the "Popular" badge.

Listed part numbers: CLOYES 96214, CLOYES 96216 and CLOYES 96183, plus the other parts above.

This table covers the tensioners that keep the timing chain taut. 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

2 Timing Chain Tensioner parts for the 2021 Kia Rio come from CLOYES.

Listed part numbers: CLOYES 96212 and CLOYES 95559.

This table covers the Torque Strut mounts. 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

3 Torque Strut Mount parts are listed for the 2021 Kia Rio, from ANCHOR, DEA / MARMON RIDE CONTROL and PIONEER.

Part numbers include ANCHOR 10187, DEA / MARMON RIDE CONTROL A71104 and PIONEER 630003.

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

This group shows a single part: AJUSA 56082200.

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering. Read more

2 Valve Guide parts for the 2021 Kia Rio come from TOPLINE.

This group includes TOPLINE EVGHY26 and TOPLINE IVGHY26.

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

This group shows a single part: TOPLINE LIFHY23.

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

4 Valve Spring Retainer Keeper parts are listed for the 2021 Kia Rio, from HYUNDAI, MELLING, QUALCAST and 1 other brand.

This group includes HYUNDAI 2222302500, MELLING VL1060 and QUALCAST 345008 and the remaining parts above.

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

6 Valve Stem Seal parts for the 2021 Kia Rio come from 4 brands — AJUSA, FEL-PRO, KIA and 1 other brand. The "Popular" part is AJUSA 57070400.

Listed part numbers: AJUSA 57070400, FEL-PRO SS72939 and AJUSA 12030100, plus the other parts 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

8 Variable Valve Timing (VVT) Solenoid / Actuator parts for the 2021 Kia Rio come from 5 brands — HYUNDAI, STANDARD MOTOR PRODUCTS, DORMAN and 2 other brands. The "Popular" part is DORMAN 918024.

The Economy section: 3 options from DORMAN, SKP and ROSTRA. DORMAN 918024 is listed in this group.

Standard Replacement: 5 parts, from HYUNDAI and STANDARD MOTOR PRODUCTS. A representative part number is HYUNDAI 2435508000.

Listed part numbers: DORMAN 918024, SKP SK918024 and ROSTRA 790055, plus the other parts above.

This table covers the cam phaser sprockets used by the variable-valve-timing system. Read more

This group shows a single part: HYUNDAI 243502M010.