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HomeShopAlternatorATG20811 Alternator 1986A00986 For Mercedes-Benz Unitog U-300

Description

ATG20811 Alternator 1986A00986 For Mercedes-Benz Unitog U-300

Key Specifications:

  • Unit Type: Bosch
  • Voltage: 24V
  • Amperage: 100A
  • Pulley: 0PK (No Pulley)
  • Mounting: Universal commercial vehicle fitment
  • Regulator: Integrated (IR)

Compatibility:

Mercedes-Benz Unitog:

  • Model: U-300
  • OEM Part Numbers:
    • 01115487020131544102013154790201415450020141545402A0001504750A0111548702, etc. (Full list in description)

Bosch Cross-References:

  • 0124555023098604239001246550021986A00986, etc.

Other Major Brands:

  • Valeo: 440085, 434029
  • Delco Remy: DRB2390, DRB5290N
  • Hella: 8EL738093001
  • Lucas: LRA02537
  • Mahle: MG1130

Technical Details:

  • Design: Brushless, internally regulated
  • Housing: Cast aluminum for heat dissipation
  • Connector Type: ISO 7638 compliant (standard commercial vehicle plug)
  • Weight: ~12.5 kg
  • Rotation: Clockwise (viewed from pulley end)

Applications:

This alternator is engineered for:

  • Mercedes-Benz Unitog U-300 and similar medium-duty trucks
  • Compatible with:
    • Refrigerated trucks (Carrier, Thermo King units)
    • Construction equipment with 24V systems
    • Military/logistics vehicles using Bosch 24V architecture

Installation Notes:

  1. Verify pulley compatibility (0PK = pulley not included)
  2. Requires 24V battery system
  3. Compatible with smart charging systems (CAN bus optional)

For specific wiring diagrams or mounting brackets, consult vehicle service manuals.

Warranty

Tianguan provides a 1-year limited warranty for new starters/alternators only. If the problem is caused by Tianguan, the seller pays all shipping costs. The warranty does not apply to improper installation, water/fire damage, modifications, or any natural disasters.

Returns

If the return is caused by the consumer (non-defective return), consumer should be responsible for the shipping fee. The specific fee should be based on the express company you choose. If the item problem is caused by Tianguan, contact us before return item, we will provide refund/exchange/or other way to solve it.No refund/exchange to provide if no notification before sending back items beforehand. If customer received damaged product, customer need to send email to linda@tgautoparts.com in 72 hours of item delivered. Customer need to send pictures/videos(use to proof related issues) in emails, Tianguan will recognize the return reason/confirm the issue. Our team will feedback to customer asap. ◉ Damaged Item Damaged merchandise includes items that are damaged during shipping. If you receive the package and then find shipping damage, please save all packaging material and paperwork and contact us immediately by mail linda@tgautoparts.come or other way you have. ◉ Technical Support We highly recommend professional installation for all of our products. We are not accepting any exchange or returns due to improper installation.

Shipping

Orders usually been shipped out within 1-2business days after payment has been cleared, Delivery in 5-7 working days .Orders made on Saturdays, Sundays, and holidays will be processed on the next business day. If there is any problem on your order, please feel free to contact our team by email(linda@tgautoparts.com) Please ensure that the shipping address you provide is accurate. We are not responsible for undeliverable addresses. Shipping address of P.O. BOX, APO, FPO or State of HI, AK, VI, PR. will not accepted.

Additional information

Weight 8 kg
Dimensions 32 × 30 × 26 cm
brand

Mercedes-Benz

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