Alternator Rebuild Kit John Deere 6010 6120 6210 6310 6405 6420 6510 6610 wBsch 0123315501 - 12379RK-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

• Fendt Agricultural Tractor: Favorit 916 / 918NA / 920 / 920NA / 924 / 924NA / 926 / 926NA / 926PL (D0826L2 / D0826L3 Engines, 6.9L 1999-2003)
• John Deere 2-Wheel Drive Tractor: 6020, 6120L, 6220L, 6320L, 6420L, 6420S, 6505, 6515, 6520L (4.5L Engines, 1997-2005)
• John Deere 4-Wheel Drive Tractor: 5720 (1986-1992), 5820 (1986-1992), 6205, 6910 (14.04L 1992-1997), 6920 (6.78L 2002-2005)
• John Deere Agricultural Tractor: 5620, 5730, 6010, 6110, 6110L, 6120, 6120SE, 6210, 6210L, 6215, 6220, 6220SE, 6310, 6310L, 6310S, 6320, 6320SE, 6405, 6410, 6410L, 6410S, 6410SE, 6415, 6420, 6420 Premium, 6420SE, 6510, 6510L, 6510S, 6520, 6520SE (4.5L 1997-2009), 6610SE, 6615, 6620, 6715, 6820, 6910S (6.8L 1997-2005), 7420 (1994), 7520 (1994-1998)
• John Deere Other Agricultural Equipment: 5830 (1986-1992), 6610 (7.67L 1992-1995), 6810 (14.04L 1992-1997)

🔍 Cross-Reference Alternator Assemblies (Fits These Units)

• Bosch OE & Reman: 0 123 315 501, 0123315501, 0986046007, AL5049X (90 Amp Bosch Alternator Option)
• John Deere OE: AL111675, AL114092, RE204426
• Lester / PIC References: Lester 12379 | PIC 220-5190
• Other Crossovers: JN 400-24136, Lucas LRA01860, Wilson 90-15-6389

📐 Component-Specific Technical Data

⚡ Voltage Regulator with Brushes Specs

• Technical Specifications: 12 Volt, A-Circuit, 14.5 Vset, 14mm Diameter Slip Ring, Hermetically Sealed Circuit
• Design: For Bosch IR/IF Alternators
• Replaces OEM: Bosch 1 197 311 240, 1 197 311 512, 1197311549, 1 197 311 551, 1 197 311 552, 1 197 311 553 | John Deere AL155404 | Alfa Romeo / Fiat / Lancia 9947418, 995083, 9950830 | Marelli 940038023 | Mercedes-Benz 003-154-19-06 | PSA 576196 | Same 001026060
• Aftermarket Crossovers: IB512, W080-39, 230-24103, 09137

⚡ Drive End Bearing (Front) Specs

• Industry Number: 55224
• Dimensions: 17mm ID x 52mm OD x 17mm W
• Interchange Numbers: Bosch 1120905525, 10-3043-4W

⚡ Rotor SRE Bearing (Rear) Specs

• Industry Number: 54000 / 6203-2RS
• Dimensions: 17mm ID x 40mm OD x 12mm W
• Interchange Numbers: Bosch 1120905525, 6-203-4W

⚡ Bearing Tolerance Ring Specs

• Dimensions: 40mm ID x 43mm OD x 47mm L
• Interchange Numbers: Bosch 1120591116, W110-69

⚡ Slip Ring Specs

• Dimensions: 7.1mm ID x 16.1mm OD x 52mm L
• Replaces OEM: Bosch 1124303007, F00M143019
• Interchange Numbers: 7120202, 313-24002, 28-91852

💕 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!