Alternator Rebuild Kit 6.7L 2017-2022 F250 F350 F450 F550 w/175A 104211-0490 - 21939RK-A

Need to rebuild your vehicle's alternator? This premium rebuild component kit is engineered to meet or exceed original factory specs, ensuring a perfect fit and long-lasting charging performance.

🚙 Vehicle Application Details

• Ford Truck:
  • F-250 Super Duty V8 6.7L (2017-2022) *175 Amp Option
  • F-350 Super Duty V8 6.7L (2017-2022) *175 Amp Option
  • F-450 Super Duty V8 6.7L (2017-2022) *175 Amp Option
  • F-550 Super Duty V8 6.7L (2017-2022) *175 Amp Option

🔍 Cross-Reference Alternator Assemblies (Fits These Units)

• Denso: 104211-0490
• Ford OE / Motorcraft: HC3T-10300-CB, HC3Z-10346-C, GL-8823
• Bosch Reman: AL7593X
• Lester Reference: 21939

📐 Component-Specific Technical Data

⚡ Voltage Regulator Specs

• Technical Specifications: 12 Volt, B-Circuit, BVS-RC-LI Terminals. Designed for Denso Hairpin Alternators.
• Replaces OEM: Denso 5120, GC5B 5120, GC5B 5140
• Aftermarket Crossovers: IN6345, IN6368, 8090-4679, 8090-4644, 8090-4642, 216-153

⚡ Slip Ring Specs

• Design: For Hairpin Denso Alternators
• Dimensions: 5.8mm ID x 14.3mm OD x 11mm LL
• Interchange Numbers: 28-82854

⚡ Brush Holder Assembly Specs

• Design: Brush Holder Assembly with Spare Brushes
• Replaces OEM: 021620-3030
• Interchange Numbers: 39-8206

⚡ Drive End Bearing (Front) Specs

• Industry Number: 55222 / 333
• Dimensions: 17mm ID x 52mm OD x 16mm W
• Interchange Numbers: 949100-3330, 949100-437, 10-3042-4W

⚡ Rotor SRE Bearing (Rear) Specs

• Industry Number: 53514 / 279
• Dimensions: 15mm ID x 35mm OD x 13mm W
• Interchange Numbers: 949100-2790, 949100-3980, 949100-4440, 10-2021-4W

❤️ Our Worry-Free Promise

Because automotive electrical parts are highly specific, we want you to buy with total confidence. If you tear down your alternator and realize you need a different size or configuration, don't sweat it. We offer easy, no-hassle returns and fast refunds. We are here to help your DIY build succeed!