Mahle Starter Motor 12V 9 Tooth CW MS78

The Mahle MS78 starter motor is a new 12V unit with 9 teeth and clockwise rotation, built for rotating electrical applications where the starter specification needs to be matched carefully. It is listed with part number MS78 and OEM number 111.316.03, so those identifiers should be checked against the vehicle application before ordering.

Key physical points include a 3 hole starter mount, 146mm mount centres A and 103mm mount centres C/B, a 105mm flange diameter, and an overall length of 260mm. The pinion at rest measures 27mm, with a 35mm pinion diameter and 14.7 tooth pitch.

Output is rated at 2.6kW at 12 volts, and the unit is marked for dry clutch use. It is sold as each and carries a one year warranty. For vehicles and machinery that use this style of Mahle starter, the mounting pattern, tooth count, and rotation direction are the main points to confirm before fitment.

Key Features

• 12V starter motor
• 9 tooth pinion
• Clockwise rotation
• 2.6kW power rating
• 3 hole starter mount
• New unit, not remanufactured

Specifications

• Brand: Mahle
• Product type: Starter motor
• Voltage: 12V
• Power rating: 2.6kW
• Rotation: CW
• Number of teeth: 9
• Starter mount type: 3 hole
• Mount centres A: 146mm

Verified application groups

• CASE IH JX-SERIES
• FIAT 400
• FIAT 500 SERIE
• FIAT 66
• FIAT 88
• FIAT 90
• FIAT 94
• FIAT L

Application and Buying Notes

When comparing this starter motor to an existing unit, start with the part number MS78 and OEM number 111.316.03. Those identifiers are the safest cross-checks, especially where similar-looking starters may differ by tooth count, rotation, mount spacing, or pinion dimensions.

The mounting details matter on this unit: 3 hole mount, 146mm mount centres A, 103mm mount centres C/B, and a 105mm flange diameter. If any of those measurements differ from the removed starter, do not assume it will interchange without further verification.

The electrical side is also specific. This starter is 12V and rated at 2.6kW, with 9 teeth and clockwise rotation. Matching voltage and rotation direction is essential, and the dry clutch note should be kept in mind where the starter sits in the drivetrain layout.

If you are buying for a machine already listed in the fitment groups, confirm the exact model and year where shown in your application records. The fitment groups include CASE IH JX-SERIES, several FIAT ranges, and NEW HOLLAND LB, T, TD and TN series, but the final check should always be the part number, mount pattern, and tooth count from the current starter.

As a replacement component, this is a new Mahle starter motor supplied as each, not a remanufactured unit. The one year warranty applies to the product as supplied, so keep your invoice and compare the physical unit before installation in case the application needs to be rechecked.

For older agricultural and industrial applications, the safe approach is to compare the starter on the machine against the listed dimensions: 260mm overall length, 35mm pinion diameter, 27mm pinion at rest, and 12mm mount hole diameter. Those figures help reduce the risk of ordering a starter that looks similar but does not sit correctly on the housing.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number MS78 helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type STARTER MOTOR, Unit of Measure EACH, Warranty One Year, Mount Centres A 146mm, Mount Centres C 103mm, Number of Teeth 9, Pinion at Rest 27mm, Power Rating 2.6kW, Suits Unit Make Mahle, Item Type Starter Motor.

Additional published details for cross-checking include Starter Mount Type 3 Hole, OEM Number 111.316.03, Bore O 1 12.2, Tooth Pitch 14.7, Mounting points diameter 146.0, Packaging width 16.60, Net Weight 5501, Product Group 1 ROTATING ELECTRICAL, Part No. MS78, Brand MAHLE.

Mahle Starter Motor 12V 9Th CW. Part number MS78 should be checked first. Listed voltage is 12. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number MS78, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a starter motor in workshop, fleet, trade, agricultural, or construction service, the listed voltage 12 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Available application references include CASE IH JX-SERIES, CASE IH JX-SERIES 2007, CASE IH JX-SERIES 2008, CASE IH JX-SERIES 2009, FIAT 400, FIAT 400 1968. Even with application listings, final confirmation should still be based on the exact unit being replaced and the service requirements of the vehicle or machine.

Compatibility note: Please confirm fitment using the part number MS78, OEM number 111.316.03, the 12V 9 tooth clockwise specification, and the mounting and dimensional details before purchase or installation.

FAQ

What is the part number for this starter motor?

The listed part number is MS78. The OEM number shown is 111.316.03.

Is this a 12V or 24V starter?

It is a 12V starter motor.

How many teeth does the pinion have?

The starter is listed with 9 teeth.

What direction does it rotate?

Rotation is clockwise, shown as CW.

What are the main mounting details?

It uses a 3 hole starter mount, with mount centres A at 146mm and mount centres C/B at 103mm. The flange diameter is 105mm.

Which vehicle groups are listed for fitment?

Verified application groups include CASE IH JX-SERIES, FIAT 400, FIAT 500 SERIE, FIAT 66, FIAT 88, FIAT 90, FIAT 94, FIAT L, and NEW HOLLAND LB110B, LB115B, LB90, LB90B, LB95, T3, T4000, TD, TD 5, TN and TN-A.