MERCEDES AL117X Engine Alternator Benz

( Manufacturer Part Number: AL117X ), ( Type: Alternator ), ( Manufacturer Warranty: 90 Day ), ( Oe/oem Part Number: 73 74 1974 75 1975 76 1976 77 1977 78 1978 79 1979 80 1980 81, 1981 82 1982 83 1983 84 1984 85 ), ( Features: Clockwise Rotation ), ( Country/region Of Manufacture: Germany )

Review MERCEDES benz Engine Alternator Assembly Oem Warranty fits W123 240D 300D 1973–1985

The Mercedes-Benz W123 series, manufactured between 1976 and 1985, is renowned for its durability, elegance, and superior engineering. Among its numerous components, the alternator plays a crucial role in maintaining the electrical system's functionality. For models with the OM612 2.4L and OM617 3.0L diesel engines, specifically the 1973 to 1985 Mercedes-Benz 240D and 300D, the alternator is identified as part number AL117X.

This alternator is a vital component of the charging system, responsible for converting mechanical energy from the engine into electrical energy to charge the battery and power the vehicle's electrical systems. The AL117X alternator is characterized by its robust design, engineered to withstand the demands of extended usage and harsh conditions.

The alternator's key features include a 3-phase, 12-volt system generating a maximum output of 75 amps at 3,000 RPM. It boasts a durable cast iron housing, ensuring longevity and resistance to wear and tear. The alternator also features a diode rectifier, which converts the alternating current (AC) to direct current (DC) for battery charging, and a voltage regulator, which maintains the battery's charge level and prevents overcharging.

The AL117X alternator is equipped with a heavy-duty drive belt pulley, allowing it to drive the alternator smoothly and efficiently with minimal slippage. Its compact size enables it to fit easily into the engine compartment, maximizing available space. The alternator's internal components are designed for long-lasting performance, including a robust rotor and stator assembly and high-quality bearings.

The Mercedes-Benz AL117X alternator is an essential component for maintaining the optimal electrical performance of your W123-series Mercedes-Benz 240D or 300D. By supplying the necessary electrical power to the vehicle's systems and ensuring the battery remains adequately charged, this alternator contributes significantly to the overall dependability and functionality of your vehicle. When it comes time for replacement, trusting an authentic Mercedes-Benz OEM (Original Equipment Manufacturer) part like the AL117X ensures you're installing a component that meets the highest standards of quality and reliability.

The Mercedes-Benz W123 model, specifically the 1973-1985 240d and 300d vehicles, is known for its durability and reliability. However, when it comes to replacing the alternator, there are some pros and cons to consider before making a purchase.

1. Availability: The W123 alternator is widely available in the aftermarket. You can find both new and rebuilt alternators from various suppliers.

2. Affordability: Compared to buying a new alternator for a modern car, the cost of a W123 alternator is relatively low.

3. Fitment: The alternator is a direct replacement for the original part, ensuring a perfect fit.

1. Performance: The OEM alternator might not provide the same level of electrical output as a modern alternator. This could lead to issues with battery charging and other electrical components.

2. Wear and Tear: If you choose a rebuilt alternator, there is a chance that it may wear out again in the future.

3. Labor Costs: While the alternator itself is affordable, the labor costs to install it can add up, especially if you're not doing the work yourself.

In conclusion, purchasing a Mercedes-Benz W123 (1973-1985) 240d or 300d alternator can be a cost-effective solution for keeping your classic vehicle running. However, you may need to accept slightly lower electrical output and the potential for future wear and tear. If you're comfortable with these trade-offs and prefer to minimize the overall cost of ownership, then a W123 alternator is a good choice.

If you value consistent electrical output and are willing to pay more upfront, consider investing in a higher-performance alternator from a reputable supplier. Ultimately, the decision depends on your budget, priorities, and personal preferences.

Details:

1973- 1985 MERCEDES W123. PLUMSTEAD AVE, LANSDOWNE PA 19050. REMOVED FROM A 1985 MERCEDES W123 240D.

part #: al117x prices

• $224.99-$353.99

specifications altnagen:

• for models: W123, 240d, 300d
• for makes: Mercedes
• for years: 1973-1985
• mpn: Al117x
• type: Alternator
• manufacturer warranty: 90 Day
• oe/oem part number: 73 74 1974 75 1975 76 1976 77 1977 78 1978 79 1979 80 1980 81, 1981 82 1982 83 1983 84 1984 85
• features: Clockwise Rotation
• country/region of manufacture: Germany

general altnagen:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
• condition: Used

offer altnagen:

• started: June 24, 2025
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• best offers: True

payments altnagen:

• wallet: Google-pay
• credit card: Mastercard
• other

seller altnagen:

• city: Lansdowne, Pennsylvania
• # reviews: 25335
• rating: 99.2%

returns altnagen:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

shipping altnagen:

• carrier: UPS
• transit: 3-8 Days
• service: UPS Ground
• cost: $0.00
• class: Standard
• type: Fixed

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