1981 Honda Civic Engine Parts

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

One part is listed for the 1981 Honda Civic — SCHAEFFLER SR3460.

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

18 Camshaft Seal parts are listed for the 1981 Honda Civic, from NATIONAL, BCA, SCHAEFFLER and 11 other brands. APEX ATC1120 carries the "Popular" badge. 3 parts fit every engine; the other 15 are engine-specific.

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

5 Connecting Rod Bearing parts for the 1981 Honda Civic come from 4 brands — ITM ENGINE COMPONENTS, KING ENGINE BEARINGS, MAHLE / CLEVITE and 1 other brand.

This group includes ITM ENGINE COMPONENTS 4B1950, ITM ENGINE COMPONENTS 4B1951 and KING ENGINE BEARINGS CR4139AM 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

6 Conversion / Lower Gasket Set parts for the 1981 Honda Civic come from 4 brands — AJUSA, APEX, BECK/ARNLEY and 1 other brand.

Listed part numbers: AJUSA 54035400, AJUSA 54035500 and AJUSA 54035800, 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

7 Crankshaft Main Bearing parts are listed for the 1981 Honda Civic, from KING ENGINE BEARINGS, ITM ENGINE COMPONENTS and TOPLINE. KING ENGINE BEARINGS MB5168AM carries the "Popular" badge. 2 parts fit every engine; the other 5 are engine-specific.

In the High Performance grade, KING ENGINE BEARINGS supplies 2 parts: engineered beyond original-equipment specification. A representative part number is KING ENGINE BEARINGS MB5168XP.

The Standard Replacement section lists 5 options from ITM ENGINE COMPONENTS, TOPLINE and KING ENGINE BEARINGS — built to original-equipment specification. KING ENGINE BEARINGS MB5168AM is listed in this group.

Part numbers include KING ENGINE BEARINGS MB5168AM, KING ENGINE BEARINGS MB5168XP and KING ENGINE BEARINGS MB5168XPX, among others listed above.

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

9 Crankshaft Repair Sleeve parts are listed for the 1981 Honda Civic, from NATIONAL, BCA, WJB / INMOTION PARTS and 3 other brands. NATIONAL 99139 carries the "Popular" badge.

This group includes NATIONAL 99139, BCA NS99139 and BCA NS99315 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

12 Crankshaft Seal parts are listed for the 1981 Honda Civic, from NATIONAL, BCA, WJB / INMOTION PARTS and 6 other brands. ITM ENGINE COMPONENTS 1500902 carries the "Popular" badge. 2 parts fit every engine; the other 10 are engine-specific.

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 1981 Honda Civic come from 4 brands — AJUSA, APEX, MAHLE / CLEVITE and 1 other brand.

This group includes AJUSA 10018900, AJUSA 10025400 and AJUSA 10017700 and the remaining 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

10 Cylinder Head Gasket Set parts for the 1981 Honda Civic come from 6 brands — AJUSA, ITM ENGINE COMPONENTS, APEX and 3 other brands. The "Popular" part is APEX AHS1001.

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

4 Cylinder Repair Sleeve parts for the 1981 Honda Civic come from MELLING.

Listed part numbers: MELLING CSL704A, MELLING CSL604A and MELLING CSL605A, plus the other 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

8 Engine Kit Gasket Set parts for the 1981 Honda Civic come from 4 brands — AJUSA, ITM ENGINE COMPONENTS, APEX and 1 other brand.

Listed part numbers: AJUSA 50070300, AJUSA 50070600 and AJUSA 50133800, plus the other parts 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

3 Exhaust Valve parts are listed for the 1981 Honda Civic, from BECK/ARNLEY, ITM ENGINE COMPONENTS and TOPLINE. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: BECK/ARNLEY 0213136, ITM ENGINE COMPONENTS RX9194 and TOPLINE EVH8.

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

9 Expansion Plug parts for the 1981 Honda Civic come from 4 brands — QUALCAST, PIONEER, DORMAN and 1 other brand. The "Popular" part is DORMAN 116203.

This group includes DORMAN 116203, MELLING MPE153BR and PIONEER PE153 and the remaining parts above.

This table covers the Intake & Exhaust Manifold gasket sets. 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 Intake & Exhaust Manifold Gasket Set parts for the 1981 Honda Civic come from 3 brands — AJUSA, APEX and VICTOR REINZ. Every part fits both the 1.3L L4 and the 1.5L L4.

This group includes AJUSA 13064800, APEX AMS1010 and VICTOR REINZ 111083701.

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 for the 1981 Honda Civic come from 2 brands — AJUSA and ITM ENGINE COMPONENTS.

This group includes AJUSA 13042000 and ITM ENGINE COMPONENTS 0950917.

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

2 Intake Valve parts are listed for the 1981 Honda Civic, from ITM ENGINE COMPONENTS and SBI. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include ITM ENGINE COMPONENTS RV9193 and SBI 10078.

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

9 Motor Mount parts are listed for the 1981 Honda Civic, from ANCHOR, PIONEER, WESTAR and 1 other brand. DEA / MARMON RIDE CONTROL A2450 carries the "Popular" badge. 6 parts fit every engine; the other 3 are engine-specific.

Part numbers include DEA / MARMON RIDE CONTROL A2450, ANCHOR 8012 and ANCHOR 2451, among others listed above.

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

22 Oil parts are listed for the 1981 Honda Civic, from MOBIL and VALVOLINE. MOBIL 125195 carries the "Popular" badge. All of them fit every engine offered in the 1981 Civic.

In the Conventional grade, VALVOLINE supplies 2 parts: grouped under the catalog's "Conventional" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE 797671.

In the Full Synthetic grade, MOBIL supplies 8 parts: full-synthetic oils. A representative part number is MOBIL 125195.

The High Mileage (>75,000 Miles) section lists 9 options from MOBIL and VALVOLINE — oils grouped for high-mileage engines. MOBIL 125202 is listed in this group.

In the Synthetic Blend grade, MOBIL supplies 3 parts: synthetic-blend oils. A representative part number is MOBIL 124406.

This table covers the Oil Cooler Mounting kits. Read more

2 Oil Cooler Mounting Kit parts for the 1981 Honda Civic come from HAYDEN. Every part fits both the 1.3L L4 and the 1.5L L4.

This group includes HAYDEN 238 and HAYDEN 153.

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

4 Oil Drain Plug parts are listed for the 1981 Honda Civic, from DORMAN and AGS. All of them fit every engine offered in the 1981 Civic.

Part numbers include AGS ODP00019, DORMAN 090040 and DORMAN 65221, 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 for the 1981 Honda Civic come from 2 brands — DORMAN and AJUSA. Every part fits both the 1.3L L4 and the 1.5L L4.

Part numbers include AJUSA 22009300, DORMAN 097831CD and DORMAN 095023, among others listed above.

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

One part is listed for the 1981 Honda Civic — MOTORAD MO106.

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 1981 Honda Civic, from FAMOUS BRAND, VARIOUS MFR, CHAMP / LUBER-FINER and 8 other brands. VARIOUS MFR PG4651 carries the "Popular" badge. All of them fit every engine offered in the 1981 Civic.

In the Economy grade, FAMOUS BRAND, CHAMP / LUBER-FINER, VARIOUS MFR and 6 other brands supply 12 parts: the catalog's value-priced group. A representative part number is VARIOUS MFR PG4651.

The Standard Replacement section: 4 options from FRAM, VARIOUS MFR, WIX and 1 other brand. FRAM PH3531 is listed in this group.

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

3 Oil Pan Gasket parts are listed for the 1981 Honda Civic, from AJUSA, APEX and ITM ENGINE COMPONENTS. 2 parts fit every engine; the other 1 is engine-specific.

This group includes AJUSA 14029600, APEX AOP101 and ITM ENGINE COMPONENTS 0990902.

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

One part is listed for the 1981 Honda Civic — ITM ENGINE COMPONENTS 057880.

This table covers the Oil Temperature senders. Read more

This group shows a single part: AUTO-TUNE PT3441.

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

This group shows a single part: ITM ENGINE COMPONENTS RY6097.

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

4 Piston Ring parts for the 1981 Honda Civic come from 3 brands — HASTINGS MANUFACTURING, ITM ENGINE COMPONENTS and MAHLE / CLEVITE.

Part numbers include HASTINGS MANUFACTURING 6116, HASTINGS MANUFACTURING 6116S and ITM ENGINE COMPONENTS 0216079, among others listed above.

This table covers the rocker arms that transfer cam motion to the valves. Read more

One part is listed for the 1981 Honda Civic — ITM ENGINE COMPONENTS 0566012.

This table covers the Thrust washers. Read more

3 Thrust Washer parts are listed for the 1981 Honda Civic, from ITM ENGINE COMPONENTS, KING ENGINE BEARINGS and MAHLE / CLEVITE. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: ITM ENGINE COMPONENTS 1T1952, KING ENGINE BEARINGS TW110AM and MAHLE / CLEVITE TW327S.

This table covers the Timing belts. Typical signs include squeal on cold start, cracked ribs, or glazing. Spin the tensioner and idlers by hand while the belt is off. Read more

11 Timing Belt parts for the 1981 Honda Civic come from 9 brands — CONTINENTAL, ITM ENGINE COMPONENTS, CLOYES and 6 other brands. The "Popular" part is ITM ENGINE COMPONENTS 4063.

The Economy section: 3 options from ITM ENGINE COMPONENTS, CLOYES and CONTINENTAL. ITM ENGINE COMPONENTS 4063 is listed in this group.

Standard Replacement: 6 parts, from CONTINENTAL, BECK/ARNLEY, DAYCO and 2 other brands. A representative part number is BECK/ARNLEY 0260179.

2 further parts sit outside the graded sections, with the same engine-level match.

This table covers the Timing Belt pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

BECK/ARNLEY supplies both parts for the 1981 Honda Civic. All of them fit every engine offered in the 1981 Civic.

This group includes BECK/ARNLEY 0513860 and BECK/ARNLEY 0513954.

This table covers the Timing Belt 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

6 Timing Belt Tensioner parts are listed for the 1981 Honda Civic, from INA, S.A. GEAR, CLOYES and 1 other brand.

This group includes CLOYES 95019 and INA ZT9021 and the remaining 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

One part is listed for the 1981 Honda Civic — ITM ENGINE COMPONENTS 60020.

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

3 Timing Cover Gasket parts are listed for the 1981 Honda Civic, from APEX and FEL-PRO.

Part numbers include APEX ATC1010, APEX ATC1011 and FEL-PRO TCS45759.

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

One part is listed for the 1981 Honda Civic — SKF 99138.

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 1981 Honda Civic, from ITM ENGINE COMPONENTS, SCHAEFFLER and SKF. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: ITM ENGINE COMPONENTS 1506101, SCHAEFFLER SS2442 and SKF 13907.

This table covers the Torque Strut bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

4 Torque Strut Bushing parts are listed for the 1981 Honda Civic, from DEA / MARMON RIDE CONTROL and PIONEER. All of them fit every engine offered in the 1981 Civic.

Part numbers include DEA / MARMON RIDE CONTROL A6535, DEA / MARMON RIDE CONTROL A6536 and PIONEER 632817, among others listed above.

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 for the 1981 Honda Civic come from 3 brands — ANCHOR, PIONEER and WESTAR. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include ANCHOR 8525, PIONEER 658525 and WESTAR EM8525.

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

8 Valve Cover Gasket parts are listed for the 1981 Honda Civic, from FEL-PRO, BECK/ARNLEY, AJUSA and 3 other brands. BECK/ARNLEY 0361241 carries the "Popular" badge. 4 parts fit every engine; the other 4 are engine-specific.

Part numbers include BECK/ARNLEY 0361241, FEL-PRO VS50188R1 and AJUSA 56015100, among others listed above.

This table covers the Valve Cover grommets. Read more

5 Valve Cover Grommet parts are listed for the 1981 Honda Civic, from FEL-PRO, APEX, BECK/ARNLEY and 2 other brands. FEL-PRO ES70337 carries the "Popular" badge. 4 parts fit every engine; the other 1 is engine-specific.

This group includes FEL-PRO ES70337, APEX AES100 and BECK/ARNLEY 0396607 and the remaining parts above.

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

11 Valve Guide parts are listed for the 1981 Honda Civic, from ITM ENGINE COMPONENTS, QUALCAST and SBI. ITM ENGINE COMPONENTS VG875CI carries the "Popular" badge. 5 parts fit every engine; the other 6 are engine-specific.

This table covers the Valve seats. Read more

6 Valve Seat parts for the 1981 Honda Civic come from 4 brands — QUALCAST, PIONEER, DURA-BOND and 1 other brand. The "Popular" part is DURA-BOND 31054. 5 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: DURA-BOND 31054, QUALCAST 21125052 and PIONEER 38510, plus the other parts above.

This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

3 Valve Spring parts for the 1981 Honda Civic come from ITM ENGINE COMPONENTS.

Part numbers include ITM ENGINE COMPONENTS VS1152, ITM ENGINE COMPONENTS VS1133 and ITM ENGINE COMPONENTS VS1134.

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

2 Valve Spring Retainer Keeper parts for the 1981 Honda Civic come from 2 brands — ITM ENGINE COMPONENTS and PIONEER. 1 part fits every engine; the other 1 is engine-specific.

This group includes ITM ENGINE COMPONENTS 051134 and PIONEER PF234.

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

7 Valve Stem Seal parts are listed for the 1981 Honda Civic, from ITM ENGINE COMPONENTS, MAHLE / CLEVITE, SBI and 2 other brands. SBI 1221136 carries the "Popular" badge. 3 parts fit every engine; the other 4 are engine-specific.

Part numbers include SBI 1221136, APEX AVS1001 and ITM ENGINE COMPONENTS SS168, among others listed above.