USDM Parts Interchange

Below is a listing of parts that can be found in the North American market that fit the JDM B20A engine. 

Direct Parts Links

Crankshaft Main Bearings

Beck Arnley 014-6452 - Standard Size Main Bearing Set
Sealed Power 7102M - Standard Size Main Bearing Set
Federal-Mogul 7102M.25MM - .25MM Undersize Main Bearing Set
ACL Main Bearing Set - .25MM Undersize

Federal-Mogul 7102M.50MM - .50MM Undersize Main Bearing Set

Connecting Rod Bearings (B20A5 - Prelude 2.0Si - 1988-1991)

Sealed Power 41825CP Connecting Rod Bearing (Big End) - Standard 
Beck Arnley 014-6530 Connecting Rod Bearing (Big End) - Standard
ACL 4B1936STD Engine Connecting Rod Bearing Set (Big End) - Standard
ACL 4B19360.25 Engine Connecting Rod Bearing Set - .25MM Undersize

Pistons (B20A5 - Prelude 2.0Si - 1988-1991)

Sealed Power E-517KC .50MM Premium Piston

Piston Rings (B20A5 - Prelude 2.0Si - 1988-1991)

Evergreen RS4005.STD - Standard Size Piston Rings 
Evergreen RS4005.50 - .50 Overbore Piston Rings
NPR Piston Ring Set - Standard Size Piston Rings

Valve Cover Gasket Set (B20A5 - Prelude 2.0Si - 1988-1991)

Fel-Pro VS50391R Valve Cover Set

Rear Main Seal Set (B20A5 - Prelude 2.0Si - 1988-1991)

Fel-Pro BS40430

 

Front Crankshaft (Main) Seal (B20A5 - Prelude 2.0Si - 1988-1991)

Fel-Pro TCS45873-1 Crankshaft Front Seal Set

Timing Belt (2000 Nissan Xterra V6) 

(133 teeth, 25mm width)

Gates T188 Timing Belt
Beck Arnley 026-0334 Timing Belt

Clutch Disc (B20A5 - Prelude 2.0Si - 1988-1991)

Note: This is only from the 1988 and 1989 Prelude Si. Only the clutch disc will work, throwout bearing is from another application.

ACT 4212112 4-Pad Sprung Race Clutch Disc
ACT 6212112 6-Pad Sprung Race Clutch Disc
ACT HP3-HDR4 Race Rigid 4-Pad Clutch Disc with HD Clutch Pressure Plate
ACT 3000102 Performance Street Sprung Clutch Disc
ACT 6212012 6-Pad Rigid Race Clutch Disc

 

Clutch Kit (B20A5 - Prelude 2.0Si - 1988-1991)

Note: The throwout bearing from the below kits will not work for this application. Please see the throwout bearing section below.

EXEDY 08013 OEM Replacement Clutch Kit
Sachs Clutch Kit KF705-01
ACT HP3-HDSS Performance Street Sprung Clutch Disc with HD Clutch Pressure Plate
Centerforce DF904004 Dual Friction Clutch Pressure Plate and Disc
ACT HP3-HDR6 Race Rigid 6-Pad Clutch Disc with HD Clutch Pressure Plate
ACT HP3-HDG6 Race Sprung 6-Pad Clutch Disc with HD Clutch Pressure Plate
ACT HP3-HDG4 Race Sprung 4-Pad Clutch Disc with HD Clutch Pressure Plate
 

 

Distributor Assembly (B20A5 - Prelude 2.0Si - 1988-1991)

Cardone 31-834 Remanufactured Import Distributor
Beck Arnley 185-0444 Remanufactured Distributor
Richporter Technology TD02P Distributor

Standard Motor Products Ignition Rotor
Borg Warner D559P Rotor
YEC Distributor Rotor

Standard Motor Products Ignition Cap
YEC Distributor Cap
Bosch 03255 Distributor Cap

Fel-Pro 419 Distributor O-Ring
Ishino Distributor O-Ring

Crankshaft Position Sensor (B20A5 - Prelude 2.0Si - 1988-1991)

 Borg Warner CSS599 Crankshaft Sensor

Standard Motor Products PC-305 Crankshaft Sensor

Overseas Parts from RockAuto.com

Head Gasket: BGA CH8303
Oil Pan Gasket: BGA OP0355
Timing belt: GATES #5211, KLARIUS/QUINTON HAZELL #QTB336

Source: Carotman, 3geez.com

Other Parts To Search By

Axle (Right side) - A20A - (Need to use a 88-89 Prelude inner joint)
Camshafts -B18A1 - (Acura Integra 90-93 non vtec, some work involved)
Crank sensor assembly (2) - D16A1 - (Acura Integra 86-87) *used with a Vacuum Advance Accord ECU*
Distributor assembly (2) - D16A1 - (Acura Integra 86-87) *used with a Vacuum Advance Accord ECU*
Exhaust manifold gasket - B20A5 - (Prelude 2.0si 88-91) *stud holes do not match perfectly, can be easily fixed*
Intake manifold - A20AX - (Accord 86-89)
Intake manifold gasket - A20AX - (Accord 86-89)
Connecting Rods - B20A5 - (Prelude 2.0si 88-91)
Shift rod seal - A20AX - (Accord 86-89)
Spark plug wires (1) - B20A5 - (Prelude 2.0si 88-91) *use with B20A5 distributor*
Spark plug wires (2) - B18A1 - (Acura Integra 90-93) *should be fine with the JDM Accord/86-87 Integra distributor*
Starter assy - A20AX - (Accord 86-89) *With auto transmission*
Throw out Bearing - B18A1 - (Acura Integra 90-93 non vtec)
Valves - B20A5 - (Prelude 2.0si 88-91)
Valve seals - B20A5 - (Prelude 2.0si 88-91)
Water Pump Assembly - B20A3 - (Prelude S 88-89)

Source: Carotman, 3geez.com