2023 Mazda 3 Engine Parts

This table covers the Balance Shaft sprockets. Read more

This group shows a single part: MELLING S1246.

This table covers the Barometric pressure sensors. Typical signs include a check-engine light for MAP or fuel-rail pressure, or a limp mode under load. A vacuum leak or a clogged reference line will fake a bad pressure sensor. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS AS486.

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

This group shows a single part: TOPLINE RBMA31.

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 2023 Mazda 3 come from 2 brands — MAHLE / CLEVITE and TOPLINE.

Listed part numbers: MAHLE / CLEVITE CS55461, MAHLE / CLEVITE CS55462 and TOPLINE CBSMA31, plus the other parts 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

TOPLINE supplies both parts for the 2023 Mazda 3.

Part numbers include TOPLINE MBMA31 and TOPLINE TWMA31.

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

MAHLE / CLEVITE supplies both parts for the 2023 Mazda 3.

This group includes MAHLE / CLEVITE 68117 and MAHLE / CLEVITE 68118.

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

3 Cylinder Head Bolt parts for the 2023 Mazda 3 come from 3 brands — FEL-PRO, MAHLE / CLEVITE and TOPLINE.

This group includes FEL-PRO ES73884, MAHLE / CLEVITE GS33489 and TOPLINE HBMA25.

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

4 Cylinder Head Gasket parts for the 2023 Mazda 3 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 26829PT, FEL-PRO 26831PT and MAHLE / CLEVITE 55461, 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

5 Cylinder Head Gasket Set parts for the 2023 Mazda 3 come from 2 brands — MAHLE / CLEVITE and TOPLINE.

Listed part numbers: MAHLE / CLEVITE HS55461, MAHLE / CLEVITE HS55461A and MAHLE / CLEVITE HS55462, plus the other parts above.

This table covers the Engine covers. Read more

7 Engine Cover parts for the 2023 Mazda 3 come from 2 brands — TECHPRO and VARIOUS MFR. The "Popular" part is TECHPRO MA1228130.

Part numbers include TECHPRO MA1228130, TECHPRO MA1228135 and TECHPRO MA1228131, 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

2 Engine Kit Gasket Set parts for the 2023 Mazda 3 come from TOPLINE.

Part numbers include TOPLINE CGSMA31 and TOPLINE CGSMA31T.

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

TOPLINE supplies both parts for the 2023 Mazda 3.

Listed part numbers: TOPLINE EVMA31L and TOPLINE EVMA31.

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

This group shows a single part: DAYCO PB1819N.

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

3 Intake Manifold parts are listed for the 2023 Mazda 3, from AUTOTECNICA, DORMAN and LARES.

Part numbers include AUTOTECNICA MA1418961, DORMAN 615390 and LARES 33655.

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

This group shows a single part: MAHLE / CLEVITE MS20605.

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

TOPLINE supplies both parts for the 2023 Mazda 3.

Listed part numbers: TOPLINE IVMA31L and TOPLINE IVMA31.

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

3 Motor Mount parts are listed for the 2023 Mazda 3, from ANCHOR and DEA / MARMON RIDE CONTROL.

Part numbers include ANCHOR 10203, ANCHOR 10375 and DEA / MARMON RIDE CONTROL A4457.

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

62 Oil parts are listed for the 2023 Mazda 3, from VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands. LIQUI MOLY 2208 carries the "Popular" badge. They are grouped as Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend, with Full Synthetic the largest group at 44 parts from VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands.

This table covers the gaskets that seal the Oil Cooler. 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 Cooler Gasket parts for the 2023 Mazda 3 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO ES73909 and MAHLE / CLEVITE GS34069.

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

3 Oil Drain Plug Gasket parts for the 2023 Mazda 3 come from 2 brands — DORMAN and JAPANESE OE.

Listed part numbers: DORMAN 095147, DORMAN 995147CD and JAPANESE OE KW32004.

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

3 Oil Filler Cap parts are listed for the 2023 Mazda 3, from CALORSTAT, GATES and MOTORAD.

This group includes CALORSTAT OC2330, GATES 31295 and MOTORAD MO147.

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

13 Oil Filter parts are listed for the 2023 Mazda 3, from BOSCH, VARIOUS MFR, CHAMP / LUBER-FINER and 8 other brands. CHAMP / LUBER-FINER PH2876 carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER, BOSCH, FVP and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER PH2876.

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 M1108A.

The Standard Replacement section lists 7 options from BOSCH, BECK/ARNLEY, HASTINGS / BALDWIN and 4 other brands — built to original-equipment specification. BOSCH 3300 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 2023 Mazda 3 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 73777 and MAHLE / CLEVITE B33767.

This table covers the Oil Level 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

2 Oil Level Sensor parts are listed for the 2023 Mazda 3, from HELLA and STANDARD MOTOR PRODUCTS.

Listed part numbers: HELLA 011544031 and STANDARD MOTOR PRODUCTS FLS355.

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

This group shows a single part: MELLING 1112.

This table covers the Oil Pump Chain guides. Read more

This group shows a single part: MELLING BG7073.

This table covers the Oil Pump 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 2023 Mazda 3 — MELLING BT7090.

This table covers the Oil Pump sprockets. Read more

This group shows a single part: MELLING S1248.

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

2 Piston parts for the 2023 Mazda 3 come from TOPLINE.

Part numbers include TOPLINE PAMA31D and TOPLINE PAMA31T.

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

4 Piston Ring parts for the 2023 Mazda 3 come from 2 brands — TOPLINE and HASTINGS MANUFACTURING.

This group includes HASTINGS MANUFACTURING 2P6029, TOPLINE RSMA31D and TOPLINE RSMA31L and the remaining parts above.

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

This group shows a single part: MELLING 1065.

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

6 Timing Chain & Component Kit parts are listed for the 2023 Mazda 3, from MELLING, INA and TOPLINE. MELLING 31065SX carries the "Popular" badge.

Listed part numbers: MELLING 31065SX, MELLING 31065S and INA ZC76342T, plus the other parts above.

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

4 Timing Chain Guide / Damper parts for the 2023 Mazda 3 come from MELLING.

Part numbers include MELLING BG7032, MELLING BT7027 and MELLING BG7029, among others listed 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 are listed for the 2023 Mazda 3, from INA and MELLING.

This group includes INA ZT0269 and MELLING BT7029.

This table covers the gaskets that seal the Timing Cover. 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 2023 Mazda 3 — MAHLE / CLEVITE JV5296.

This table covers the seals at the Timing Cover. 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 Timing Cover Seal parts are listed for the 2023 Mazda 3, from MAHLE / CLEVITE, SKF and WJB / INMOTION PARTS.

This group includes MAHLE / CLEVITE 68083, SKF 16880A and WJB / INMOTION PARTS WS16880A.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

3 Timing Crank Sprocket parts are listed for the 2023 Mazda 3, from MELLING and INA.

Listed part numbers: INA ZS0298, MELLING S1245 and MELLING S1247.

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

4 Torque Strut Mount parts for the 2023 Mazda 3 come from 4 brands — ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

Part numbers include ANCHOR 10212, DEA / MARMON RIDE CONTROL A4461 and PIONEER 630212, among others listed above.

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

One part is listed for the 2023 Mazda 3 — GPD 2513005.

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

4 Turbocharger Gasket parts for the 2023 Mazda 3 come from 2 brands — MAHLE / CLEVITE and GPD.

Part numbers include GPD 2535109, MAHLE / CLEVITE F33814 and MAHLE / CLEVITE F33815, among others listed above.

This table covers the Turbocharger Oil Line 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

One part is listed for the 2023 Mazda 3 — MAHLE / CLEVITE GS34068.

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

7 Valve Cover Gasket parts are listed for the 2023 Mazda 3, from MAHLE / CLEVITE, BECK/ARNLEY and FEL-PRO.

This group includes BECK/ARNLEY 0362078, BECK/ARNLEY 0362079 and FEL-PRO VS51008R and the remaining parts above.

This table covers the Valve Cover grommets. Read more

One part is listed for the 2023 Mazda 3 — MAHLE / CLEVITE B33646.

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

TOPLINE supplies both parts for the 2023 Mazda 3.

This group includes TOPLINE EVGMA32 and TOPLINE IVGMA32.

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

TOPLINE supplies both parts for the 2023 Mazda 3.

Listed part numbers: TOPLINE LIFMA31D and TOPLINE LIFMA32.

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

2 Valve Spring Retainer Keeper parts for the 2023 Mazda 3 come from 2 brands — ENGINETECH and SBI.

Part numbers include ENGINETECH EPF1104 and SBI 1211104.

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

3 Valve Stem Seal parts are listed for the 2023 Mazda 3, from MAHLE / CLEVITE and TOPLINE.

This group includes MAHLE / CLEVITE SS46128, MAHLE / CLEVITE SS46153 and TOPLINE VSSMA32.

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

3 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2023 Mazda 3, from WELLS, CLOYES and NTK.

Economy: 1 part, from WELLS. A representative part number is WELLS 2T1259.

The Standard Replacement section: 2 options from CLOYES and NTK. CLOYES VTS225 is listed in this group.

Listed part numbers: WELLS 2T1259, CLOYES VTS225 and NTK VV0131.

This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. 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

2 Variable Valve Timing (VVT) Solenoid Gasket / Seal parts for the 2023 Mazda 3 come from MAHLE / CLEVITE.

Part numbers include MAHLE / CLEVITE B33645 and MAHLE / CLEVITE B33768.

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

One part is listed for the 2023 Mazda 3 — STANDARD MOTOR PRODUCTS VVT783.