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Thumbnail Filmstrip of 1994-2003 7.3L Powerstroke Gear Reduction Starter Denso TG228000-8420 Images
Replace the starter on a 1994.5-2003 Ford 7.3L Power Stroke when a click from the solenoid, a chattering pinion, or a slow grind is all you get at the key, and the engine turns a few degrees and stops. This high-compression diesel will not fire on a weak crank, and that slow crank shows up first on a cold morning or after the truck has sat, because worn solenoid contacts and a dry drive clutch will not spin this engine even with fresh batteries. Denso TG228000-8420 is the new 12-volt, 4.0 kW offset gear-reduction starter for that engine, and the two-hole case takes the place of the original three-hole unit so you bolt it up without a third ear, using the new starter rather than a rebuilt core.
- Cranking power: Offset gears put the 4.0 kW (5.36 hp) motor into a 13-tooth, 1.551 inch (39.4 mm) pinion that turns clockwise, so a cold engine gets a full crank instead of a slow grind.
- Ring gear: An impact torque limiter cuts the shock that chips the ring gear when the pinion slams into mesh.
- Wet clutch: The pinion clutch is lubricated, so it does not run dry and chatter on the ring gear. Sealed ball bearings carry the shaft.
- Engagement: The solenoid sits on the same axis as the clutch, so the pinion moves straight into the ring gear on a 12-volt system.
- Mount: Two unthreaded ears, each with an 11.4 mm hole. Use those two ears. This case does not have a third ear.
- Part number: New Denso TG228000-8420, the same starter as 228000-8420, Lester 17802. Reman number 280-8008 is a different box. This one is new, and there is no core charge.
- Crosses: Ford F4TZ-11002-A, F4TZ-11002-ARM, F5TU-11000-AA, F5TU-11000-AB, and F5TU-11000-AD, plus Mitsubishi M008T50071, Wilson 91-29-5448N, Dixie 246-30134, and Bosch SR7529N.
- Fits: 1994.5-1997 F-250 and F-350 7.3L Power Stroke, 1995-1997 F-Super Duty chassis, 1999-2003 F-250 through F-550 Super Duty 7.3L, 2000-2003 Excursion 7.3L, 1995-2003 E-350 Econoline and Club Wagon, 1996-1999 Econoline Super Duty, 2000-2003 E-450 including stripped chassis, and 2002-2003 E-550. Automatic and manual.
- Does not fit: A 6.9L or 7.3L IDI, which uses Denso 228000-8410. An International 4700 T444E, which uses Denso 228000-7371. A 6.0 Power Stroke, a gas V8, an F-650, an F-750, or a 1998 F-250 or F-350.
- Warranty: This new starter is covered for 12 months.
- Not in the box: Mounting bolts and battery cables. Reuse hardware that fits the two ears and the battery stud.
Order today to secure your replacement. Confirm the engine is a Ford 7.3L Power Stroke from 1994.5 through 2003, not a 7.3L IDI, before you order.
Replace the starter on a 1994.5-2003 Ford 7.3L Power Stroke when a click from the solenoid, a chattering pinion, or a slow grind is all you get at the key, and the engine turns a few degrees and stops. This high-compression diesel will not fire on a weak crank, and that slow crank shows up first on a cold morning or after the truck has sat, because worn solenoid contacts and a dry drive clutch will not spin this engine even with fresh batteries. Denso TG228000-8420 is the new 12-volt, 4.0 kW offset gear-reduction starter for that engine, and the two-hole case takes the place of the original three-hole unit so you bolt it up without a third ear, using the new starter rather than a rebuilt core.
Cranking power: Offset gears put the 4.0 kW (5.36 hp) motor into a 13-tooth, 1.551 inch (39.4 mm) pinion that turns clockwise, so a cold engine gets a full crank instead of a slow grind.
Ring gear: An impact torque limiter cuts the shock that chips the ring gear when the pinion slams into mesh.
Wet clutch: The pinion clutch is lubricated, so it does not run dry and chatter on the ring gear. Sealed ball bearings carry the shaft.
Engagement: The solenoid sits on [...]
Replace the starter on a 1994.5-2003 Ford 7.3L Power Stroke when a click from the solenoid, a chattering pinion, or a slow grind is all you get at the key, and the engine turns a few degrees and stops. This high-compression diesel will not fire on a weak crank, and that slow crank shows up first on a cold morning or after the truck has sat, because worn solenoid contacts and a dry drive clutch will not spin this engine even with fresh batteries. Denso TG228000-8420 is the new 12-volt, 4.0 kW offset gear-reduction starter for that engine, and the two-hole case takes the place of the original three-hole unit so you bolt it up without a third ear, using the new starter rather than a rebuilt core.
- Cranking power: Offset gears put the 4.0 kW (5.36 hp) motor into a 13-tooth, 1.551 inch (39.4 mm) pinion that turns clockwise, so a cold engine gets a full crank instead of a slow grind.
- Ring gear: An impact torque limiter cuts the shock that chips the ring gear when the pinion slams into mesh.
- Wet clutch: The pinion clutch is lubricated, so it does not run dry and chatter on the ring gear. Sealed ball bearings carry the shaft.
- Engagement: The solenoid sits on the same axis as the clutch, so the pinion moves straight into the ring gear on a 12-volt system.
- Mount: Two unthreaded ears, each with an 11.4 mm hole. Use those two ears. This case does not have a third ear.
- Part number: New Denso TG228000-8420, the same starter as 228000-8420, Lester 17802. Reman number 280-8008 is a different box. This one is new, and there is no core charge.
- Crosses: Ford F4TZ-11002-A, F4TZ-11002-ARM, F5TU-11000-AA, F5TU-11000-AB, and F5TU-11000-AD, plus Mitsubishi M008T50071, Wilson 91-29-5448N, Dixie 246-30134, and Bosch SR7529N.
- Fits: 1994.5-1997 F-250 and F-350 7.3L Power Stroke, 1995-1997 F-Super Duty chassis, 1999-2003 F-250 through F-550 Super Duty 7.3L, 2000-2003 Excursion 7.3L, 1995-2003 E-350 Econoline and Club Wagon, 1996-1999 Econoline Super Duty, 2000-2003 E-450 including stripped chassis, and 2002-2003 E-550. Automatic and manual.
- Does not fit: A 6.9L or 7.3L IDI, which uses Denso 228000-8410. An International 4700 T444E, which uses Denso 228000-7371. A 6.0 Power Stroke, a gas V8, an F-650, an F-750, or a 1998 F-250 or F-350.
- Warranty: This new starter is covered for 12 months.
- Not in the box: Mounting bolts and battery cables. Reuse hardware that fits the two ears and the battery stud.
Order today to secure your replacement. Confirm the engine is a Ford 7.3L Power Stroke from 1994.5 through 2003, not a 7.3L IDI, before you order.
Q
Bart Robards • 03/28/2025, 2:46:18 PM
Is this a true Denso, not a Chinese knock-off?
A
04/02/2025, 3:36:23 PM
All products Full Force Diesel sells are true to manufacturer.
Q
Stephen Anderson • 08/14/2025, 11:43:43 PM
Will this starter fit a 2001 f350 7.3
A
08/15/2025, 9:13:55 PM
7.3 Powerstroke 1994.5-2003. Starters all all the same.
Q
Richard Lutz • 08/18/2025, 0:48:04 AM
Where is this starter manufactured?
A
08/18/2025, 7:17:21 PM
The manufacturer doesn't specify that information.
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5/5 Stars out of 2 Reviews
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Mike (Ca) | April 25th, 2026
For those who dont know this is the starter to get for a 7.3, i have a 97 obs and a 98 e350 and this starter is in both rigs. These things are monsters in sheer size compared to the stock units and spin the motor over with some serious authority you can easily tell the difference just get one itll be thelast starter you need. When chaging out starter make sure to clean all your contacts.
Colton (ID) | October 21st, 2025
This starter made all the difference in my truck. With the old factory starter, it turned slow and made it sound like an old wore out truck. Now with this starter, my truck way happier! It turns over like a 6.7! Couldn’t be more impressed. Full force has the best price out of all the other sites!
Proposition 65 Warning Information -
P65Warnings.ca.gov
Fits: 7.3 Powerstroke 1994-2003
Fits: Universal
Fits: Universal