Alternators

CF-12252N

Name: CF-12252N Industrial Equipment Alternator
Brand: Crankvia
SKU: 12252N

CF-12252N alternator for Komatsu D31E-20, Komatsu D37E-5, Komatsu EG125BS-2 and related applications (24V / 30A / S9).

Brand

Specification

Voltage	24V
Amperage	30A
Pulley Class	S9
Regulator/Fan	IR/EF

Features

Part No	CF-12252N
MFR	NIKKO
Part Type	Alternator

Part Number Cross-Reference

Lester Numbers
Komatsu
Nikko

Product Advantages

Alternator matching focuses on amperage, voltage, pulley configuration, regulator/fan design, plugs, and OE replacement references.

Fitment-first matching

CF-12252N is prepared for alternator sourcing with Part No, OE, Lester number, and application records checked together.

Quality and test focus

Core specifications such as voltage, power or amperage, rotation, teeth, and design are reviewed before sample or bulk quotation.

Replacement sourcing support

MFR NIKKO and replacement references including 12252 help buyers compare existing units and reduce wrong-part risk.

Inquiry-ready supply

Share target quantity, destination, sample need, and packaging requirement so Crankvia can confirm the practical supply path.

Application Information

Application records are provided as compatibility references. Confirm OE number, vehicle configuration, engine, and market version before final ordering.

Part No

CF-12252N

Records

Makes

Models

Year range

1992-2007

Make	Model	Engine	Year	Note
Komatsu	D31E-20	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	D37E-5	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	EG125BS-2	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	EG90BS-1	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC100E-6	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC120E-6	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC128UUE-1	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC138USE-1	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC158USE-2	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC200-5	Komatsu 4D102E-1 Dsl.	1992-2007	-
Komatsu	PC200-6	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC220-6	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC60E-7	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC75-UUE-2	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PC75-UUE-3	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PW128E-1	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	PW128UUE-1	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	WA100E-3	Komatsu 4D102E-1 Dsl.	2000-2006	-
Komatsu	WA80E-3	Komatsu 4D102E-1 Dsl.	2000-2006	-

Product matching notes

Use these checks together with the application table before final ordering.

How do I confirm CF-12252N fits?

Compare Part No, OE numbers, Lester Numbers, the application records, and the spec table. The page is organized around Komatsu D31E-20, Komatsu D37E-5, Komatsu EG125BS-2 and related applications.

Which fields matter most?

Start with Voltage: 24V, Amperage: 30A, Pulley Class: S9, Regulator/Fan: IR/EF, then cross-check OE numbers Komatsu 600-821-6190, Nikko 0-33000-6580.

What if I only have a photo or partial number?

Share label photos, drive-end and connector shots, and any partial number or Lester Numbers 12252. That usually narrows the match quickly.

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