Hitachi D4P Distributor

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The famous E15ET distributor type was used by other E-series engines too. The D4P has no visible ignition ignitor parts, and no provision for vacuum advance. Rather it has a crank angle sensor of the type used by certain 1980s and 1990s Nissan engines.

Overview

D4P

• Has a square wiring connector on the outside down at the bottom
• No points, no stator, no ignitor
• No weights or cams ???
• No provision for vacuum advance. Totally round distributor body.
• Second source: Mitsubishi T4T84471
• Bolt-on rotor

Under the cover plate is a trigger wheel for the ECU.
D4P

Photo: Mitsubishi T4T84471 6626, Nissan 22100-27M15 from USA 1987 KPB12

STANDARD MOTOR PRODUCTS  # LX653
Rock auto

MITSUBISHI Crank Angle Sensor J912 (NISSAN 22100-53J11)

The crank angle sensor is a thin aluminum disc, which is actually perforated 360 times. In this photo you can make out the screw under the disc, seen through the perforations.
D4P

retouched photo (marked to show degrees)

Part Numbers for E-series Engines

Also see E-Series_Distributor

Hitachi D4P: B11, B12, N12 USA
22100-27M00 DISTRIBUTOR ASSY N12 E15ET D4P82-06
22100-27M02 DISTRIBUTOR ASSY N12 E15ET D4P82-06B
22100-27M04 DISTRIBUTOR ASSY N12 E15ET D4P82-06C W/VENT
22100-27M01 DISTRIBUTOR ASSY N12 E15ET D4P83-03
22100-27M03 DISTRIBUTOR ASSY N12 E15ET, B12 E16I D4P83-03B
22100-27M05 DISTRIBUTOR ASSY N12 E15ET, B12 E16I D4P83-03B W/VENT
22100-36A00 DISTRIBUTOR ASSY N12 E16S D4P83-03
22100-36A01 DISTRIBUTOR ASSY N12.E16S,B11.E16S,B12.E16S D4P83-03D
22100-36A02 DISTRIBUTOR ASSY N12.E16S,B11.E16S,B12.E16S D4P83-03E W/VENT
22100-27M15 1987 KPB12 FED E16I.AT
22100-27M16 DISTRIBUTOR ASSY N12.E16I MITSUBISHI
22100-27M17 DISTRIBUTOR ASSY N12.E16I MITSUBISHI

22162-17M01 CAP ASSY-DISTRIBUTOR
22162-17M02 CAP ASSY-DISTRIBUTOR
22157-17M01,22157-17M02 ROTOR-HEAD 

22163- NOT APPLICABLE - STATOR
22115- NOT APPLICABLE - SIGNAL ROTO ASSY [Reluctor]
22136- NOT APPLICABLE - PLATE ASSY-BREAKER
(22173) wiring
22159-14S00,22159-36A00, HARNESS ASSY-DISTRIBUTOR 
22159-14S01,22159-12P01, HARNESS ASSY-DISTRIBUTOR 
22159-35M00 HARNESS ASSY-DISTRIBUTOR 
22159-17M00 HARNESS ASSY-DISTRIBUTOR 
22159-P8001 HARNESS ASSY-DISTRIBUTOR
22159-P8002 HARNESS ASSY-DISTRIBUTOR 
22108- NOT APPLICABLE - SHAFT ASSY [weight & spring shaft]
22020- NOT APPLICABLE - TRANSISTOR IGNITION UNIT 
22132- NOT APPLICABLE - CAM SET