12V 1.4KW 10T Starter Motor SA-962 for Mazda Pickup Truck

12V 1.4KW 10T Starter Motor SA-962 for Mazda Pickup Truck

The SA-962 starter motor is a 12V, 1.4 kW unit with a 10-tooth pinion, built for Mazda pickup trucks and the Ford-badged models that share the same engine and flywheel. It is supplied against references F89U-11000-BA, F89Z-11002-BA, 1F82-18-400 and STR2810, and it is a direct replacement for the original unit. Hejian Nuojin Auto Parts Co., Ltd. supplies it complete, ready to fit.

Why the 10-Tooth Pinion Matters

The pinion tooth count sets the gear ratio between the starter and the flywheel ring gear. A 10-tooth pinion reduces cranking speed slightly compared with an 11-tooth unit but raises torque, which is the right trade for a pickup engine that may be started under load, in cold weather or on a slope.

Tooth count must also be matched to the ring gear module. A starter with the correct 10-tooth count but the wrong module will either jam or wear both gears within a few starts, which is why the part number on the old unit is a safer identifier than the vehicle model alone.

Reference Numbers and Cross References

• SA-962, SA-836, SA-860 and SA-945
• F89U-11000-BA and F89U-11000-BB
• F89Z-11002-BA, F77Z-11002-AA, F77Z-11002-A and F77U-11000-AA
• 1F82-18-400 and ZZP2-18-400
• 4R3T-11000-AA, 4R3T-11000-AB, 4R3Z-11002-AA and 5L2T-11000-AA
• 5L2Z-11002-AA, 6L2T-11000-CA, 6L2Z-1100-2C and 6L2Z11002C
• SAV860RM, SA860RM, STR2810, SA972, SA891 and STR2836
• DRS0594, PRSF677, 3271SN, 393273SN, STR82417 and 2805124
• 112597, 107763, 3361813A

The list is a cross reference aid, not a fitment guarantee. Mazda and Ford shared platforms across several model years, and starter builds changed with engine updates, so confirm the number on the starter being replaced.

Pickup Duty Cycles and Starter Wear

A pickup starter is expected to work in conditions a passenger car starter never sees: dust from unsealed roads, vibration from rough tracks, repeated short trips with the engine stopped and restarted, and long cranking when the fuel system is slow to prime. Each of those cycles costs a small amount of brush material and heats the solenoid contact.

The reduction gearset is packed with high-temperature grease that stays in place through repeated heat cycles, and the drive end housing carries the pinion bearing rigidly so the pinion stays square to the ring gear under load. The solenoid is sealed against dust and water spray, which matters on vehicles used off-road or in winter salt.

Signs the Starter Needs Attention

• Slower cranking than the same truck showed a season earlier
• Click with no crank, especially on a hot restart after refuelling
• Grinding as the pinion engages, then normal operation on the next attempt
• Black dust inside the drive end housing
• Starter that continues to spin after the engine fires

Rule out the battery, the terminal clamps and the engine earth strap before replacing the starter. On older pickups, a corroded earth cable is a very common cause of slow cranking.

Fitting Notes

Disconnect the battery negative terminal, remove any intake or shielding that restricts access, then disconnect the main cable and the solenoid signal wire. Support the starter before removing the mounting bolts. Clean the bell housing face and check the ring gear teeth through the starter aperture.

Fit the replacement with the original bolts, reconnect the cables in the same order and tighten the main terminal firmly. Crank the engine briefly, listen for clean engagement and confirm the pinion releases as soon as the engine starts.

Quality Control and Supply

Each starter is bench tested for no-load current draw, solenoid pull-in and release, pinion throw and running noise. Units ship in neutral cartons with foam protection, standard references are held as spot goods, volume orders are delivered in around 30 days, and every starter carries a one-year warranty against manufacturing defects.

Frequently Asked Questions

Does this starter fit both Mazda and Ford badged pickups?

It is cross-referenced for both where they share the same engine family, but confirm the number on the original starter before ordering.

Can I fit a starter with 9 or 11 teeth instead?

Only if the ring gear module and the mounting depth match. Changing tooth count without matching the ring gear will cause noise or failure to engage.

Is the solenoid included?

Yes. The unit is supplied complete, as shown in the photographs.