DB Electrical Alternators for Mercedes Benz DB Electrical offers premium-quality alternators that deliver high-performance for Mercedes Benz cars. Owners of these cars appreciate the highly engineered quality of DB Electrical alternators for flawless mechanical performance and longevity. Mercedes Benz is a legendary European luxury car known for its superb performance and distinguished appearance. A DB Electrical alternator is a great choice for keeping your Mercedes Benz on the road. (Check our applications table below for specific makes and models for this alternator.)
With DB Electrical alternators, you’ll get …
Superior Quality Every Time – Our aftermarket alternators deliver performance that’s equivalent to the original.
Direct-Fit OEM Replacement Parts – DB Electrical aftermarket alternators are designed for perfect fitment to replace the ones that originally came with your vehicle.
Engineer-Tested Excellence – Our alternators go through a rigorous testing program to ensure optimal performance. Most alternators are supplied with their final test results and performance curve.
Reasons to choose DB Electrical for your next alternator:
Built to Take the Heat – Most DB Electrical alternators offer high-temperature epoxy, heavy-duty rectifiers, high-quality regulators, top-quality bearings and high-temperature grease produce better charging and longer life under high-heat environments.
Brand New Alternator – Never settle for a secondhand one. Many places will try to sell you a used alternator for about the price we’ll sell you a new one.
The DB Electrical Advantage – Factory-Direct Pricing and 1-Year Warranty DB Electrical sells its exceptional-quality electrical components at low factory-direct prices. DB Electrical delivers exceptional value for products that we stand behind with our total-confidence 1-year warranty. Yes, you have a full year to make sure your alternator meets your expectations.
Item Number: 400-24229
100% Brand New Aftermarket Part From DB Electrical
Product Specs
Item Condition
Aftermarket Part
Unit Type
Alternator
Part Type
UNIT
Voltage
24
Amperage
120
Regulator
IR
Fan Type
EF
Fits
MERCEDES TRUCKS BOSCH T1 SERIES
Applications List
Select Make & Type
MAKE
TYPE
MODEL
YEAR
ENGINE
MERCEDES-BENZ
Medium & Heavy-Duty Truck
Unimog U-500
2001
6.4L – 6374cc Dsl
MERCEDES-BENZ
Medium & Heavy-Duty Truck
Unimog U-500
2002
6.4L – 6374cc Dsl
MERCEDES-BENZ
Medium & Heavy-Duty Truck
Unimog U-500
2003
6.4L – 6374cc Dsl
Replaces These Part Numbers
ARROWHEAD
ABO0427, 400-24229
ARROWHEAD
IA9435
BOSCH
0-120-689-538, 0-120-689-539, 0-120-689-550
CARGO
112302
IVECO
4831585
LESTER
12577
LETRIKA (ISKRA) AFTERMARKET
IA 9435
MERCEDES BENZ
012-154-47-02, 012-154-50-02
Frequently Asked Questions
Q: Do I need a larger charge wire for a High Output unit? A: The high amp unit will operate better than stock, but not to its full potential without a larger charge wire. It’s the same reason firetrucks do not use garden hoses. It is IMPARATIVE to have proper charge and ground cables. Q: Does a High Amp unit cause any damage to my battery or my vehicles charging system? A: As long as it is installed properly with battery in good condition, then no. A High Output unit works exactly like a factory unit and only produces what is being demanded. No alternator works continuously at full output. Higher amperage is not bad and will not hurt a battery, but high voltage will blow one up. Q: Will aftermarket underdrive pulleys (crankshaft power pulley) have any effect on my alternator? A: Yes, underdrive crankshaft pulleys slow all the components (power steering, a/c, and alternator) to provide more power to the rear wheels. In some cases, the charging systems will fall totally on the battery at idle and completely stop charging. Q: Where is the best place to get a voltage reading of the alternator output? A: You’ll get the most accurate voltage reading from the back of the alternator at the main charge post that runs directly to the battery. This must be done while the vehicle is running. Q: Why is the pulley on a high amp alternator smaller than my stock pulley? A: The smaller pulley advances the power curve of the alternator just slightly, which produces a little more amperage around the idle if needed. Q: Will I need a smaller belt for my high amp unit? A: This varies by application because not all belts and belt tensioners are in the same condition. The tensioner will always tell you if you need a new belt or not. If it’s in range, you will not. If it is out, you will. Generally, you will need a belt that is one inch shorter than stock. You should have no problem finding a replacement wherever you buy your parts. V belt applications simply re-adjust your belt tensions to 3/8” deflection. Q: What is the difference between a one wire, self-exciting and a self-energizing regulator? A: Nothing. They are all exactly the same. Different manufacturers use different terms for marketing. The only wire to hook up is the charge wire to the battery. This does require modification for the alternator charge light on the dash. Q: My stock unit used a five-groove pulley, and you sent my high amp alternator with a 6 groove. Why and what can I do? A: 5 groove overdrive pullies are not produced. Install the belt on the back groove of the pulley closest to the fan or body of the alternator. The fan is internal, and this application will work just fine. Q: Can your alternator be run in dual or triple alternator applications? A: Yes. When wired and mounted correctly, the alternator can run in either dual or triple applications. Q: Will I need a new battery with a high amp alternator? A: If your battery is in good condition, and in spec of its OEM rating, then no. Your battery should work equally well with either the OEM and a High Amp unit.
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