Alternators

CF-7939N

Name: CF-7939N Passenger Vehicle Alternator
Brand: Crankvia
SKU: 7939N

CF-7939N alternator for Buick Regal, Chevrolet Lumina, Oldsmobile Cutlass Supreme and related applications (12V / 105A / S6).

Brand

Specification

Voltage	12V
Amperage	105A
Rotation	CW
Pulley Class	S6
Regulator/Fan	IR/EF

Features

Part No	CF-7939N
MFR	DELCO
Part Type	Alternator

Part Number Cross-Reference

Lester Numbers
Delco
GM

Product Advantages

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

Fitment-first matching

CF-7939N 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 DELCO and replacement references including 7939-3 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-7939N

Records

Makes

Models

Year range

1987-1994

Make	Model	Engine	Year	Note
Buick	Regal	V6 3.1L 189cid	1989-1993	-
Buick	Regal	V6 2.8L 173cid	1989	-
Chevrolet	Lumina	V6 3.1L 189cid	1990-1994	-
Chevrolet	Lumina	V6 3.1L 189cid	1991-1994	-
Oldsmobile	Cutlass Supreme	V6 3.1L 189cid VIN T	1989-1993	-
Oldsmobile	Cutlass Supreme	V6 2.8L 173cid VIN W	1989	-
Oldsmobile	Cutlass Supreme	V6 3.4L 207cid VIN X	1991	-
Oldsmobile	Cutlass	V6 3.1L 189cid	1987	-
Oldsmobile	Cutlass	V6 3.1L 189cid	1992	-
Pontiac	Grand Prix	V6 3.1L 189cid w/Turbo	1989-1990	-
Pontiac	Grand Prix	V6 3.1L 189cid wo/Turbo	1989-1990	-
Pontiac	Grand Prix	V6 2.8L 173cid	1989	-
Pontiac	Grand Prix	V6 3.1L 189cid	1991-1993	-

Product matching notes

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

How do I confirm CF-7939N fits?

Compare Part No, OE numbers, Lester Numbers, the application records, and the spec table. The page is organized around Buick Regal, Chevrolet Lumina, Oldsmobile Cutlass Supreme and related applications.

Which fields matter most?

Start with Voltage: 12V, Amperage: 105A, Rotation: CW, Pulley Class: S6, then cross-check OE numbers Delco 10463116, 10463139, 10463176, 10463344.

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 7939-3. That usually narrows the match quickly.

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