Holden HT HG HQ HJ HX HZ WB V8 & 6Cyl Alternator - 12v 55amp

This 55 Amp Holden alternator is a high quality, OEM style replacement designed for a wide range of Holden vehicles.

Manufactured to high international quality standards, this alternator is built to deliver consistent charging performance, reliable voltage output, and long service life. It is ideal for restorations, daily driven classics, and vehicles where dependable electrical performance is critical.

Designed to suit factory mounting geometry and pulley alignment, this alternator installs cleanly and performs as intended without modification.

OEM Replacement

Electrical failures are one of the most common issues in older vehicles, often caused by worn bearings, weak output, or inconsistent voltage regulation in cheap or tired alternators.

This VRP Automotive supplied alternator is engineered to,
• ISO TS16949 compliant manufacturing standards
• Provide stable 12V output with consistent 55 Amp charging capacity
• Quality internal components for long term reliability
• Correct pulley sizing and mounting dimensions

The result is smooth, dependable charging across all operating conditions.

Features and Benefits

• 55 Amp output suitable for factory electrical systems
• 12 Volt charging system compatibility
• Manufactured to ISO TS16949 quality standards
• OEM style mounting and pulley alignment
• Reliable voltage regulation for classic Holden applications
• Designed for right hand drive Australian vehicles

Ideal for vehicles retaining factory electrical loads.

Vehicle Fitment

Holden Commodore

• VB, VC, VH, VK, 1978–1986
• Engines 1.9L, 2.8L, 3.3L, 4.2L, 5.0L
• Includes SL, SL/E, Executive, SS, Berlina, Group A, Vacationer

Holden Special, Standard, Premier

• EH, EJ, EK, HD, HR, HG, HJ, HK, HQ, HT, HX, HZ
• 1961–1980
• Engines 2.3L, 2.4L, 2.6L, 2.9L, 3.0L, 3.3L, 4.2L
• Includes 25th Anniversary models where applicable

Holden Statesman

• HQ, WB 1980–1999
• Engines 3.3L, 4.2L, 5.0L
• Includes Custom, Caprice, De Ville

Holden Torana

• LC, LH, LJ, LX, UC 1969–1979
• Engines 2.6L, 2.8L, 3.3L
• Includes GTR, SL, S, SS, SS A9X

Holden Belmont and Kingswood

• HG, HJ, HK, HQ, HT, HX, HZ, WB
• Engines 2.6L, 2.8L, 3.3L
• Includes Sandman and utility variants

Holden Monaro

• HG, HJ, HQ, HT, HX 1971–1974
• Engine 2.8L

Holden One Tonner

• HJ, HX 1971–1974
• Engines 2.8L, 3.3L
• Includes 1000 kg and 2t variants

Specifications

• Voltage: 12V
• Output: 55 Amps
• Plug Type: RP261
• Pulley Type: 1A
• Pulley Diameter: 64 mm
• Adjustment Hole: M8 x 1.25
• Pivot Hole: 10 mm
• Adjustment to Pivot Hole: 168 mm
• Pivot Length: 56 mm

Installation Information

• Direct bolt on replacement
• Uses factory mounting points
• No modification required when fitted to listed models
• Professional installation recommended for best results