Denso Starter Motor 24V 10 Tooth CW 7.8KW Part No. 438000-3220

The Denso starter motor listed here is a new 24V unit with clockwise rotation, 10 teeth, and a 7.8kW power rating. It carries Denso part number 438000-3220 and is described as suitable for Cummins applications, including Cummins ISC 8.3 references supplied in the fitment data.

Key physical details are important with starter motors, and this unit has a 3-hole starter mount, 127mm mount centres at A, B and C, and 13.5mm mount hole diameter. Overall length is 300mm, the pinion diameter is 40mm, and pinion at rest is 48mm.

Because starter motors must match the electrical system and the mounting pattern as well as the engagement dimensions, the 24V specification, CW rotation, 10-tooth pinion and Denso unit make-up should all be checked carefully against the existing part before ordering. The listed warranty is 12 months.

This is a new starter motor supplied as each, not a remanufactured unit. The listed note mentions Cummins applications, so confirmation against the part number 438000-3220 and the starter mounting details remains the safest way to order with confidence.

Key Features

• New Denso starter motor
• 24V electrical specification
• Clockwise rotation (CW)
• 10-tooth pinion
• 7.8kW power rating
• 3-hole starter mount

Specifications

• Brand: Denso
• Product type: Starter motor
• Part number: 438000-3220
• Voltage: 24V
• Rotation: CW
• Number of teeth: 10
• Power rating: 7.8kW
• Mount type: 3 hole

Fitment Notes

• Cummins applications
• Cummins ISC 8.3
• Cummins ISC 8.3 1997

Application and Buying Notes

Before ordering, compare the existing starter motor and mounting points to this unit’s 3-hole pattern, 127mm mount centres, 13.5mm mount hole diameter and 300mm overall length. Those dimensions are often the quickest way to rule a part in or out before installation work begins.

Electrical matching matters just as much as physical fit. This starter is a 24V unit with clockwise rotation and a 10-tooth pinion, so it should only be considered where the vehicle’s system and the removed starter match those details. The 7.8kW power rating is also part of the identification and should be checked against the application.

The fitment notes supplied mention Cummins applications, including Cummins ISC 8.3 and Cummins ISC 8.3 1997. That is useful guidance, but it should still be confirmed against the Denso part number 438000-3220 and the vehicle’s original starter details, because starter motors can vary by configuration within the same engine family.

If you are replacing a starter that has failed under load or in harsh conditions, the listed feature note indicates this Denso unit is built to withstand demanding environments. Even so, proper installation, correct cable condition, and clean mounting faces remain important for reliable operation.

The pinion diameter of 40mm and pinion at rest measurement of 48mm are practical cross-checks when comparing the new unit to the old one. Where the old starter is available, matching these dimensions, along with rotation and tooth count, is a sensible way to reduce the risk of ordering the wrong part.

The 12-month warranty applies to this new starter motor as listed, but warranty coverage does not replace the need to verify fitment. Confirm the part number, voltage, mount type and application notes before purchase, especially if the vehicle has been modified or if the previous starter differs from the standard arrangement.

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 438000-3220 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 12 Months, Mount Centres B 127mm, Mount Hole Diameter 13.5, Overall Length 300mm, Pinion Diameter 40mm, Rotation CW, Voltage 24, New / Reman. New.

Additional published details for cross-checking include Wet / Dry Clutch Wet, Product Group 1 ROTATING ELECTRICAL, Part No. 438000-3220, Brand DENSO, Description Denso Starter Motor 24V 10Th CW, Mount Centres A 127mm, Mount Centres C 127mm, Number of Teeth 10, Pinion at Rest 48mm, Power Rating 7.8kW.

Denso Starter Motor 24V 10Th CW. Part number 438000-3220 should be checked first. Listed voltage is 24. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number 438000-3220, 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 24 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Available application references include CUMMINS ISC 8.3, CUMMINS ISC 8.3 1997. 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.

The listed warranty is 12 Months. Warranty terms should be considered alongside correct application and part identification, as warranty does not replace fitment confirmation.

Compatibility note: Confirm fitment using Denso part number 438000-3220, 24V specification, CW rotation, 10-tooth pinion, 3-hole mount and the listed Cummins application notes before ordering.

FAQ

What is the part number for this starter motor?

The listed Denso part number is 438000-3220.

Is this starter motor new or remanufactured?

It is listed as new.

What voltage does this starter motor use?

The listed voltage is 24V.

What rotation does the starter motor have?

It is clockwise rotation, listed as CW.

What fitment applications are mentioned?

The supplied fitment notes mention Cummins applications, including Cummins ISC 8.3 and Cummins ISC 8.3 1997.

What are the key mounting measurements?

The starter has a 3-hole mount, 127mm mount centres at A, B and C, and a 13.5mm mount hole diameter.