QUALITY AUTOPARTS Q13455801LA Benz Alternator Unitog Cw 013-154-40-02 U-300 U-400 4.3L 6.4L 80A 24V

( Brand: Quality Autoparts ), ( Manufacturer Part Number: Q13455801LA ), ( Oe/oem Part Number: 154 10 02 80, 012-154-10-02 ), ( Ipn: 013 154 40 02 ), ( Type: Alternator ), ( Voltage: 24v ), ( Amperage: 80a ), ( Manufacturer Warranty: 1 Year ), ( Performance Part: No ), ( Finish: Painted ), ( California Prop 65 Warning: Yes ), ( Fan Type: If ), ( Regulator Type: Ir ), ( Fitment Type: Direct Replacement ), ( Belt Type: Serpentine Belt ), ( Pulley Class: S9 ), ( Pulley Type: Conventional ), ( Outside Pulley Diameter: Mm )

Review QUALITY AUTOPARTS Alternator Mercedes benz Unitog 4.3l 6.4l 80a 24v Cw fits 2000–2003

The Q13455801LA alternator is a high-performance replacement part designed specifically for Mercedes-Benz units with the U-300 and U-400 series, which were produced between the years 2000 and 2003. This alternator is suitable for Mercedes-Benz vehicles equipped with 4.3L, 6.4L engines, and an 80A, 24V charging system with a continuous wave (CW) output.

This alternator is a crucial component of your Mercedes-Benz vehicle's electrical system. It converts mechanical energy from the engine into electrical energy that powers the vehicle's electrical systems, including the headlights, air conditioning, and the charging system itself. The 80A rating indicates that it can deliver a steady current of 80 Amperes, ensuring that your vehicle's electrical systems always have the power they need to operate efficiently.

The Q13455801LA alternator is built to Mercedes-Benz's exacting standards. It features a robust and durable design, with a cast aluminum housing that protects the internal components from the heat and vibrations of the engine compartment. The alternator also includes a heavy-duty diode rectifier, which converts the alternating current (AC) generated by the alternator into direct current (DC) that can be used by the vehicle's electrical systems.

The alternator's rotor is made from a high-strength material, such as copper or aluminum, to ensure optimal efficiency and longevity. The stator windings are carefully engineered for optimal power output, and the alternator includes a voltage regulator to maintain the correct charging voltage for your vehicle's battery.

The Q13455801LA alternator is easy to install and comes with all necessary hardware, including mounting brackets and bolts. It is also designed to be a direct replacement for the original equipment alternator, making it a convenient and cost-effective solution for Mercedes-Benz owners looking to keep their vehicles running at peak performance.

In summary, the Q13455801LA alternator is a high-quality, high-performance replacement part designed specifically for Mercedes-Benz vehicles with the U-300 and U-400 series engines produced between 2000 and 2003. It is suitable for vehicles with 4.3L, 6.4L engines, and an 80A, 24V charging system with a continuous wave output. With its robust and durable design, optimal power output, and easy installation process, this alternator is an excellent choice for Mercedes-Benz owners looking to keep their vehicles running at their best.

Pros and Cons of Buying a LA Alternator for Mercedes-Benz UNITOG U-300 U-400 (2000-2003, 4.3L, 6.4L, 80A, 24V, CW)

The LA alternator is a popular aftermarket option for Mercedes-Benz vehicles with the UNITOG U-300 U-400 series engines. This alternator comes in various amperages to fit different vehicle models and specifications. In this article, we will discuss the pros and cons of buying a LA alternator for your Mercedes-Benz vehicle.

1. Cost-Effective: Compared to OEM alternators, LA alternators are generally more affordable. This can be an attractive option for vehicle owners looking to save money on replacement parts.

2. Durability: LA alternators are known for their durability and reliability. They are designed to withstand heavy use and can last longer than OEM alternators.

3. Availability: LA alternators are widely available from various retailers, making it easy to find one that fits your specific vehicle model and year.

4. Upgrade: If you're looking to upgrade your vehicle's electrical system, a LA alternator can provide more amperage than the OEM alternator. This can be beneficial for vehicles with additional electrical accessories.

1. Warranty: LA alternators may not come with the same level of warranty coverage as OEM alternators. This can be a concern for vehicle owners who want peace of mind with their purchase.

2. Installation: Installing a LA alternator may require some technical expertise. It's important to follow the installation instructions carefully to ensure proper installation and prevent any potential issues.

3. Quality Concerns: Some LA alternators may not meet the same quality standards as OEM alternators. It's essential to purchase from a reputable supplier to ensure you're getting a reliable and high-quality part.

4. Compatibility: While LA alternators are widely available, it's important to ensure that the specific alternator you're considering is compatible with your vehicle's make, model, and year.

The decision to buy a LA alternator for your Mercedes-Benz vehicle depends on your individual needs and priorities. If cost-effectiveness and durability are your top concerns, a LA alternator may be the best option for you. However, if you're looking for peace of mind and a warranty, an OEM alternator may be a better choice. Ultimately, it's crucial to do your research and purchase from a reputable supplier to ensure you're getting a high-quality and reliable part for your vehicle.

1. Research various suppliers to find a reputable and reliable option.

2. Ensure the alternator is compatible with your vehicle model and year.

3. Consider the installation process and your level of technical expertise.

4. Weigh the pros and cons carefully to determine if a LA alternator is the right choice for your vehicle and budget.

Details:

With the belt pulled off of alternator pulley and wires disconnected, should come out freely. Delaying Electrical Accessories.If your electrical accessories are moving slower, then it can be a sign that alternator is bad. Insert the mounting bolts. Remove the main power cable from alternator.

The belt will need to go around any accessories it is supposed power in your specific vehicle. Release the safety clip connecting wiring harness. If your vehicle can't get the electricity from alternator, it cannot run so stalls. Use your finger or a flat head screwdriver to release the clip holding harness together, then slide it apart.

Alternator For Mercedes-Benz Unitog U-300 U-400 2000 2003 4.3L 6.4L 80A 24V CW About the Product. Difficult to Start.If your car stalls, there can be various causes, but a bad alternator could one of them. Slide the new alternator into place. Symptoms of Alternator.

Quality Autoparts. Excellent Delivery. Loosen the bolts on alternator if there is no auto-pensioner. Once its loose, slide the cable off terminal to disconnect battery.

They should install exactly as they were in the old alternator. Look for signs of glossing or glazing shinier portions on the edges and underside belt. Insert the square drive from a breaker bar into hole in auto-pensioner pulley and apply pressure clockwise direction to relieve tension on belt. Some vehicles use the alternator itself to apply tension serpentine or accessory belt, but others an auto pensioner pulley.

With tension on the belt applied via alternator and pry bar, use appropriate socket a ratchet to tighten two mounting bolts up rest of way. Make sure you tighten it firmly so can't shake loose while driving. The only other wiring heading into the alternator is control harness. Tighten them by hand until they re snug.

In cars with an auto-pensioner pulley, you can completely tighten the bolts at this point, otherwise keep loose. Relieve tension on the belt with auto-pensioner if equipped. This will allow the alternator to keep tension on belt. Reconnect the wire harness and insert bolt that secures main power cable to alternator in same order you removed them.

Connect the power cable and monitor harness. Reconnect the battery. If you find any of those issues, you'll need to replace it. Its the terminal of battery with a visible - sign.

Inspect both the top and underside for signs of cracking as well. Step By to Replace the Alternator. Make sure the mounting holes and wire connectors are in same place that two parts size. Dim lights.The most common cause of dim lights from your dashboard is due to a faulty alternator.

Battery needing a constant boost.If you constantly need to boost your battery, it could be the sign of alternator replacement as fails recharge battery. Unscrew the bolt holding it in place and pull from where its connected. In cars without an auto-pensioner pulley, you can relieve the tension on belt simply by loosening two bolts that secure alternator to engine. Tighten the bolts and belt.

Slide the mounting bolts through alternator and into bracket. Amperage Rating:80A, Decoupled Or Clutch Pulley:No, Fan Type:IF, Outside Pulley Diameter mm : 76, Belt Type:Serpentine Belt, Groove Quantity:9, Included:Yes, Type:Conventional, Regulator Type:IR, Rotation Direction:CW, voltage :24V, Class:S9. However, there are several ways to tell if your alternator is exhausted. Inspect the serpentine belt for damage.

You might have to wiggle the alternator around squeeze it back into place in a crowded engine. Compare the new alternator to old one. Run the belt over new alternator pulley. Never work in the engine of a vehicle without first disconnecting battery for safety.

Before installing the new alternator, set it down on a table next to old one you just removed. Most of them last between 7 to 10 years in optimum conditions. Alternators usually do not require much attention unless they are worn out. Find the right socket to loosen bolt that keeps cable on negative terminal tight.

Either install the new belt or run old back through all of appropriate pulleys. Remove the alternator from engine.

part #: q13455801la prices

• $30.55-$210.17

specifications altnagen:

• for makes: Mercedes
• for years: 2000-2003
• brand: Quality Autoparts
• mpn: Q13455801la
• oe/oem part number: 154 10 02 80, 012-154-10-02
• ipn: 013 154 40 02
• type: Alternator
• voltage: 24v
• amperage: 80a
• manufacturer warranty: 1 Year
• performance part: No
• finish: Painted
• california prop 65 warning: Yes
• fan type: If
• regulator type: Ir
• fitment type: Direct Replacement
• belt type: Serpentine Belt
• pulley class: S9
• pulley type: Conventional
• outside pulley diameter: Mm

shipping altnagen:

• transit: 4-8 Days
• carrier: FedEx
• cost: $0.00
• service: FedEx Ground Economy
• class: Economy
• type: Fixed

seller altnagen:

• # reviews: 424
• city: Ontario, California
• rating: 99.5%

returns altnagen:

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

offer altnagen:

• quantity: 10
• sold: 0
• best offers: True
• availability: In Stock
• started: November 20, 2025
• options: Ship-to-home

general altnagen:

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

payments altnagen:

• credit card: Diners-club
• wallet: Google-pay
• other

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