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The Jeep Cherokee XJ ran from 1984 to 2001, and the alternator options below are matched to the far more common 1991-2001 4.0L inline-six (and, for the Powermaster unit, the shared 2.5L four-cylinder). If your XJ is a pre-1991 model, confirm your specific charging-system amperage before ordering, since earlier XJs used a different, lower-output charging setup. Stock replacement alternators run 90-105 amps; the high-output units below are aimed at XJs running winches, off-road lighting, or heavy stereo systems that draw more than the stock system can supply.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | Denso 210-1003 Remanufactured Alternator | $95-$165 depending on retailer | Amazon |
| 2 | ACDelco 334-1115 Gold Remanufactured Alternator | $90-$130 | Amazon |
| 3 | DB Electrical (J&N) Upgrade Alternator for XJ/MJ | ~$145 | Amazon · eBay |
| 4 | Omix-Ada 17225.22 120-Amp Alternator | $175-$260 depending on retailer | Amazon |
| 5 | Powermaster 533118 XS 170-Amp Alternator | $250-$380 | Amazon |
| 6 | Mechman S-Series 240-Amp Alternator for XJ | $419-$454 | Amazon · eBay |
| 7 | Remy Remanufactured Alternator | $150-$235 | Amazon · eBay |
The picks, in detail
Denso 210-1003 Remanufactured Alternator
A First Time Fit remanufactured OE-spec alternator rated at 90 amps, fitting the 1991-1998 XJ Cherokee 4.0L — the closest thing to a stock replacement here.
- Fits 1991-1998 Jeep Cherokee 4.0L (also Dodge Dakota/Comanche variants)
- 90-amp OE-matched output
- Remanufactured to Denso’s First Time Fit spec
- 12-month warranty on most listings
- OE-spec output means no wiring or pulley changes needed
- Denso made many of the factory units originally, so fitment is exact
- 90 amps is stock output, not an upgrade for heavy accessory loads
- 1991-1998 fitment only — confirm for 1999-2001 models
ACDelco 334-1115 Gold Remanufactured Alternator
A budget-friendly remanufactured OE-output alternator for the 1991-1998 4.0L XJ, from ACDelco’s Gold reman line.
- Fits 1991-1998 Jeep Cherokee 4.0L
- OE-matched amperage output
- ACDelco Gold remanufactured line
- Core exchange typically required
- Usually the least expensive OE-output option from a major brand
- Widely stocked at auto parts chains for same-day pickup
- Stock output only — not for high-amp accessory loads
- Core deposit adds to the out-the-door cost if you don’t have an old unit to trade in
DB Electrical (J&N) Upgrade Alternator for XJ/MJ
An aftermarket new-build alternator marketed specifically as an XJ/MJ upgrade unit, positioned between a stock reman and the dedicated high-output brands.
- Fits Jeep Cherokee XJ and Comanche MJ
- New (not remanufactured) construction
- Marketed as an output upgrade over stock
- No core charge required
- No core deposit, unlike most reman units
- New-build construction rather than a rebuilt core
- Output specs are less rigorously documented than Mechman or Powermaster’s high-output line
- Aftermarket brand, not an OE supplier
Omix-Ada 17225.22 120-Amp Alternator
A Jeep-specialist replacement-parts brand’s alternator, built to the OE reference number and explicitly fit across XJ, ZJ, YJ, and TJ Jeeps sharing the 2.5L/4.0L engines — useful if you want a part cross-referenced directly to the factory spec rather than a generic reman.
- 120-amp output, OE reference 56005686
- Fits 1991-1998 Jeep Wrangler/Cherokee/Grand Cherokee with 2.5L or 4.0L engines
- 5-year limited warranty
- New (not remanufactured) unit
- OE reference number gives a documented cross-check against the factory part, reducing fitment guesswork
- New-build rather than a rebuilt core, with a longer warranty than most reman options here
- Priced above the Denso and ACDelco reman units for a similar output class
- 120 amps is a modest step up from stock but well short of the Powermaster/Mechman high-output tier
Powermaster 533118 XS 170-Amp Alternator
A genuine high-output alternator explicitly fit for the 1991-1995 Wrangler and 1991-2000 Cherokee with the 2.5L and 4.0L engines — built for winches, light bars, and stereo systems.
- 170-amp output, roughly double stock
- Explicitly listed for 91-95 Wrangler / 91-00 Cherokee 2.5L & 4.0L
- Black finish
- XS Denso-style internal-fan design
- Real amperage jump for XJs running winches or heavy off-road electronics, not just a stock-output relabel
- Documented fitment specific to the XJ/YJ 4.0L and 2.5L
- Costs noticeably more than a stock-output reman unit
- May need a larger charging cable if wired into a stock harness
Mechman S-Series 240-Amp Alternator for XJ
A serious high-output unit for a heavily accessorized XJ — winch, air compressor, large light bar, and amplified stereo running at once.
- 240-amp rated output
- Fits 1991-2002 Jeep Cherokee XJ
- Custom-built S-Series construction
- 5-15 business day build lead time on most orders
- More than 2.5x stock output for genuinely heavy accessory loads
- Purpose-built and tested specifically for the XJ platform, not a generic swap
- Highest price of any option here by a wide margin
- Overkill (and unnecessary expense) for a stock or lightly accessorized XJ
Remy Remanufactured Alternator
A reman alternator from Remy, the successor to the original Delco Remy brand that built many factory Jeep charging systems, sold as an OE-output replacement.
- OE-matched amperage output
- Remy remanufacturing process with new wear components
- Multiple XJ-fitment part numbers depending on year
- Core exchange typically required
- Remy’s OE pedigree with Chrysler/Jeep charging systems
- Reman process replaces bearings, brushes, and diodes rather than just testing the old unit
- Priced above the Denso and ACDelco reman options for the same stock output
- Core charge applies on most listings
Buying tips
- Confirm your engine (2.5L four-cylinder vs. 4.0L inline-six) and model year before ordering — fitment and mounting brackets differ between them.
- Stock XJ alternators run 90-105 amps. If you’re not running a winch, big light bar, or amplified stereo, a stock-output reman unit is the cheaper, correct choice — save the 170-240 amp units for genuinely high accessory loads.
- A high-output alternator moves more current through your factory wiring; on a heavily upgraded XJ, pair it with an upgraded charging cable rather than reusing a stock-gauge wire.
- Reman units almost always require a core exchange or deposit — factor that into the real out-the-door price versus the DB Electrical new-build unit, which doesn’t require one.
As an Amazon Associate and eBay Partner, toptenpick.com earns from qualifying purchases. Prices and availability are subject to change.