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Technical Specification
PRODUCT NUMBER 3510N4319NS1009S1165SS1170SS1256SS1262S3510N-PG4162N4525N6278N6356N6360N6370N6571N
Voltage 121224121212121212122412242412
Design 10MT DDDDPG260M PMGR10MT DD10MT DD37MT Series42MT DD42MT DD42MT DD28MT OSGR
Manufacturer DelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelco
Power 1.59.00.81.82.01.81.41.47.8
Rotation CWCWCWCCWCWCWCWCWCWCWCWCWCWCWCW
Teeth 91011891111119101011121112

Q 1. Which machines does the WAI 6615N fit?

A. This starter motor fits Caterpillar Agricultural and Industrial machinery — confirmed applications include the T165, T180C, T200C and T250C (all 1979–1980), giving four applications in total. Use the selection widget to match your exact make, model and engine variant, or search our cross-referenced catalogue by OEM number or machine model. If your machine is not listed, ask Simon. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does this replace Bosch SR541X or Remy 1108278?

A. Yes. The WAI 6615N carries 29 OE cross-references in total. Confirmed replacements include Bosch USA SR541X, Remy 1108278, Remy 1108373, Remy 1109358, Remy 19010617, Remy 1998404, Remy 1998405, Remy 1998421, Remy 1998460, Remy 25831, Remy 26925230A, Remy 63242, Remy P4162S, Prestolite Electric 20513003, Delphi SX1026, Crusader 42090, Mercury 5047454, Mercury 5097499A2, Mercury 5097499R2, Mercury 5097499R4, Mercury Marine 50-47454, Mercury Marine 50-97499A2, Mercury Marine 50-97499R2, Mercury Marine 50-97499R4, and Outboard Marine Corp 941289, among others. Search our cross-referenced catalogue by any of these numbers to confirm suitability.

Q 3. What are the key specifications of this starter motor?

A. The 6615N is a 12-volt direct-drive unit built to the Delco 14MT specification. It rotates clockwise and engages through a 9-tooth pinion. It is supplied brand new — not remanufactured — so there is no core charge and no question of prior wear.

Q 4. How do I confirm this part fits my vehicle or machine?

A. Use the selection widget to match your make, model and engine, or search our cross-referenced catalogue by OEM number, machine model or equivalent part across brands. If your vehicle is not listed, ask Simon. Every fitment shown is backed by our Fit Guarantee.

Q 5. Is this part covered by your Fit Guarantee?

A. Yes. Every vehicle and OE cross-reference shown for this part is checked against manufacturer data and backed by our Fit Guarantee. If it is not right, our Fit Guarantee or hassle-free returns have you covered.

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