Alternator Pulley 7 Groove for Dodge Jeep 58mm OD, 17mm ID, Replaces Denso 021040-0800, 021041-8040

Eliminate belt squeal, prevent premature serpentine belt wear, and restore smooth rotational drive with this precision-machined replacement Alternator Pulley. Engineered to match exact original equipment tolerances for Denso alternators, this direct-fit 7-groove pulley ensures proper belt alignment and reliable charging performance without the expense of replacing the entire alternator assembly.

Component-Specific Technical Data

• Component: Alternator Pulley
• Pulley Type / Grooves: 7-Groove Serpentine
• Outer Diameter (OD): 58mm
• Shaft / Bore Diameter: 17mm
• Offset / Center of First Groove: 8.5mm
• OEM Replacements: Denso 021040-0800, 021041-8040
• Aftermarket Crossovers: 79909017, W055-51, ND-344, 207-52002, 39519, 24-82269

Cross-Reference Alternator Assemblies (Fitted Units)

• Chrysler: 04848662AB, 05104763AA, 4848662AB, 5104763AA, 56007912, 56027912, 56027912AB, 56027913, 56027913AB, 56027913AC, 56028920AA, 56028920AA1, 56029701AA, 56029913AA, 56029913AB, 56041394AA, R6027912AB, R6029913AA, RL027912AB, RL104763AA
• Denso: 121000-3530, 121000-3531, 121000-3630, 121000-3760, 121000-4170, 121000-4171, 121000-4290, 121000-4291, 121000-4300, 121000-4350, 121000-4351, 121000-4360, 421000-0111, 421000-0113
• Jeep-Eagle: R6041394AA
• Lester: 13354, 13742, 13823, 13824, 13910, 13914, 13924

Vehicle Application Details

• Dodge B1500: 1997–1998 V6 3.9L, 1997–1998 V8 5.2L, 1998 V8 5.9L
• Dodge B2500: 1997 V6 3.9L, 1997–1998 V8 5.2L, 1997–1998 V8 5.9L
• Dodge B3500: 1997–1998 V8 5.2L, 1997–1998 V8 5.9L
• Dodge Dakota: 1997–2003 V6 3.9L, 1997–1999 V8 5.2L, 1998–2003 V8 5.9L
• Dodge Durango: 1998–1999 V6 3.9L, 1998–2000 V8 5.2L, 1998–2003 V8 5.9L
• Dodge Ram 1500: 1997–2001 V6 3.9L, 1997–2001 V8 5.2L, 1997–2003 V8 5.9L
• Dodge Ram 1500 Van: 1997–2003 V6 3.9L, 1998–2003 V8 5.2L, 1999–2003 V8 5.9L
• Dodge Ram 2500: 2001 V8 5.2L, 1997–2002 V8 5.9L, 1997–2003 V10 8.0L
• Dodge Ram 2500 Van: 2001 V6 3.9L, 1998–2003 V8 5.2L, 1999–2003 V8 5.9L
• Dodge Ram 3500: 1997–2002 V8 5.9L, 1997–2003 V10 8.0L
• Dodge Ram 3500 Van: 1999–2003 V8 5.2L, 1997–2003 V8 5.9L
• Dodge Ram 4000: 1997–2001 V8 5.9L
• Dodge Ramcharger: 1999–2000 V8 5.2L, 2000 V8 5.9L
• Dodge Viper: 1998–2002 V10 8.0L
• Jeep Grand Cherokee: 1995–1998 V8 5.2L, 1998 V8 5.9L

Concluding Worry-Free Promise

At DIYAlternator.com, we specialize exclusively in high-grade charging system components built to fit right the first time. Every replacement component is manufactured to meet or exceed strict OEM specifications for flawless fitment and long-term durability. If you have questions about fitment or need assistance verifying your alternator part numbers, our dedicated technical support team is here to ensure you get the exact part you need to get back on the road with complete confidence.