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Parts that go with it

Rebuilding instead of replacing? These are the parts for this unit.

Powerhouse Supply

12V Hitachi Style Starter for GMC, Chevrolet, Pontiac, Oldsmobile, Buick 1955-1986

Replaces OEM: 12361146, PP106

Engines: 5.0L, V8 5.7L, 5.7L, V8 5.0L, 6.6L, V8 7.4L, V8 6.6L, 7.4L, V8 6.5L

12V Hitachi Style Starter for GMC, Chevrolet, Pontiac, Oldsmobile, Buick 1955-1986

Regular price $69.99 USD
Regular price Sale price $69.99 USD
Sale Sold out

In stock.Free shipping. Arrives in 1 to 3 business days.

  • Oklahoma 24
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Confirm this part fits before you order.

Compatibility and OEM references are a guide, not a guarantee for your specific machine. Once an electrical part has been installed or used it cannot be returned, and a standard return costs you the return shipping plus a 20 percent restocking fee.

Ask us to confirm Return policy

⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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New 12 volt OSGR starter for GMC, Chevrolet and Pontiac applications. Rated 1.4 kW with 9 tooth pinion, clockwise rotation, open nose cone and pad mount with 4 bolt holes. Direct replacement for the part numbers in the cross reference list. Ships from USA. Power on the first turn.

Specifications

Design OSGR
Voltage 12V
Power Rating 1.4KW
Rotation CLOCKWISE
Tooth Quantity 9
Mounting Bolt Hole Quantity 4
Mounting Type PAD
Nose Cone Type OPEN NOSE
Design family Hitachi Hi-Perfomance style
Starter type Offset Gear Reduction (OSGR)
Drive gear OD 0.988" / 25.100mm
Overall length 210.200 mm / 8.276"
Mount hole 1 size 10mm
Mount hole 1 type Unthreaded
Mount hole 2 type Unthreaded
Mount hole 3 size 10mm
Mount hole 3 type Unthreaded
Housing rotatable Yes

Vehicle applications (929)

Make Model Year Engine
Buick CENTURY 1978-1981 V8 V8 5.0L 5000CC
Buick CENTURY 1981 V8 V8 4.3L 4300CC
Buick CENTURY 1981 V8 V8 4.4L 4400CC
Buick CENTURY BASE 1977-1980 V8 V8 5.0L 5000CC
Buick CENTURY BASE 1980 V8 V8 4.3L 4300CC
Buick CENTURY CUSTOM 1977-1979 V8 V8 5.0L 5000CC
Buick CENTURY ESTATE 1980 V8 V8 4.3L 4300CC
Buick CENTURY ESTATE 1980 V8 V8 5.0L 5000CC
Buick CENTURY LIMITED 1979-1980 V8 V8 5.0L 5000CC
Buick CENTURY LIMITED 1980 V8 V8 4.3L 4300CC
Buick CENTURY SPECIAL 1979 V8 V8 5.0L 5000CC
Buick COMMERCIAL CHASSIS 1991-1993
Buick LESABRE BASE 1978 V8 V8 5.0L 5000CC
Buick LESABRE CUSTOM 1978 V8 V8 5.0L 5000CC
Buick LESABRE CUSTOM 1982 V8 V8 4.4L 4400CC
Buick LESABRE LIMITED 1982 V8 V8 4.4L 4400CC
Buick REGAL 1977 V8 V8 5.0L 5000CC
Buick REGAL BASE 1978-1987 V8 V8 5.0L 5000CC
Buick REGAL BASE 1980-1981 V8 V8 4.3L 4300CC
Buick REGAL BASE 1981-1982 V8 V8 4.4L 4400CC
Buick REGAL ESTATE WAGON 1982-1983 V8 V8 5.0L 5000CC
Buick REGAL LIMITED 1978-1987 V8 V8 5.0L 5000CC
Buick REGAL LIMITED 1980-1981 V8 V8 4.3L 4300CC
Buick REGAL LIMITED 1981-1982 V8 V8 4.4L 4400CC
Buick ROADMASTER 1991-1993

... and 904 more applications. Contact us to confirm your vehicle.

Reference numbers (11)

GMC 12361146
HITACHI PP106
J&N ELECTRIC 410-44033, 410-44117, 410-44138, 410-44139
Lester 18492
WAI 18492N
WAI Reman Premium Quality 18492R
WILSON 91251122, 91251122N

Cross reference numbers are shown for compatibility only. All brand names are the property of their respective owners.

Common questions about this starter

What voltage is this starter?

This one is 12V. Voltage has to match your machine exactly. A 12V unit on a 24V system will be damaged, and a 24V unit on a 12V system will crank slowly or not at all. If you are unsure, check the battery setup: two 12V batteries wired in series usually means a 24V system.

Which way does it rotate?

This unit turns clockwise. Rotation is read looking at the drive end, the end the pulley or gear sits on. A starter that spins the wrong way cannot engage the flywheel, so this is not a detail you can work around.

How do I know it fits my machine?

We list 929 vehicle and equipment applications for this starter. Use the "Does it fit?" checker further up this page to pick your make, model and year, or open the full applications list.

The surest check is the number stamped on the unit you are replacing. Match it against the cross reference numbers on this page. Fitment lists are a guide, and the same machine can leave the factory with more than one setup, so the number on your old part beats a model year every time.

My old part has a different number on it. Is this still right?

Probably yes. One unit is sold under many numbers by the vehicle maker, the original manufacturer and the aftermarket. The cross reference list on this page shows the numbers we know map to this starter. If yours appears there, this is the right part.

If your number is not listed, try our cross reference lookup. It searches every number we hold, not just the ones shown here.

What is the 18492 number?

18492 is the Lester number. Lester is the long standing industry catalogue for rotating electrical, and its numbers are how the trade identifies a unit regardless of who sold it. We use it as our part number because it is the one identifier that stays stable across every brand that has ever boxed this starter.

Is it the starter or the solenoid?

One loud click and no crank usually points at the solenoid or the battery connection. Rapid clicking is nearly always a flat battery or a bad ground, not the starter. A whirring noise with no engine turning means the drive gear is not engaging. Silence with good battery voltage points at the ignition switch, a relay or the starter itself.

Before replacing anything, load test the battery and clean both cable ends. A poor ground imitates a failed starter closely enough to sell a lot of unnecessary parts.

What is tooth count and why does it matter?

The tooth count is the number of teeth on the drive gear that meets the engine flywheel. It has to match the flywheel it engages. A starter that is otherwise identical but carries a different tooth count will not mesh correctly and will chew the ring gear.

Count the teeth on your old drive gear if you are unsure. Our glossary explains the rest of the spec vocabulary.

What does gear reduction mean?

A gear reduction starter puts a small gearbox between the motor and the drive. It spins a smaller, lighter motor faster and gears it down for torque, so you get more cranking power for less weight and less current draw. Direct drive starters skip the gearbox and are simpler but heavier for the same output.

The two are not interchangeable by eye. Match the mounting and the part number, not the look.

Is this new or remanufactured?

New. Every starter we list is a new unit, not a rebuilt core, and it carries a one year warranty. There is no core to return and no deposit to chase.

How fast does it ship?

Orders leave within three business days. Ships from USA. You can read the full terms in our shipping policy, and returns are covered in the return and refund policy.

What if I order the wrong part?

Returns are accepted within the window set out in our return and refund policy,and a restocking fee applies unless the part is defective or we made the error. A unit that has been installed or used cannot be returned, so it is worth confirming fitment by part number before you fit it.