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Volvo VNL Negative Battery Bar – Black 4 - Battery Bus Bar – Replaces 21107829 178.2024BK - Automann - FLEETPRO PARTS & TIRES
Volvo VNL Negative Battery Bar – Black 4 - Battery Bus Bar – Replaces 21107829 178.2024BK - Automann - FLEETPRO PARTS & TIRES
Automann

Volvo VNL Negative Battery Bar – Black 4-Battery Bus Bar – Replaces 21107829

In stock
SKU: 178.2024BK
$55.85
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Fitment

Fits these trucks

Volvo VNL Gen 1 and 2 (1996-2019)Volvo VNM (1996-2019)Volvo VHD (1996-2019)Volvo VNX (1996-2019)
Always confirm your year, make & model before ordering.
Part numbers

OEM & interchange numbers

1 cross-ref
21107829
Direct 1-to-1 replacement for every number above. Tap any number to copy.
Overview

Ensure a clean and reliable electrical ground for your rig with the Volvo VNL Negative Battery Bar by Automann. Specifically designed for Volvo VNL, VHD, and VNM series trucks, this heavy-duty bus bar is the essential component for connecting 4-battery power banks. Over time, factory battery bars can succumb to high-resistance corrosion or physical cracking; replacing them with this negative bus bar ensures maximum cranking power and protects your sensitive ECM and electrical modules from dangerous voltage drops.

Engineered for Reliability: The Volvo VNL Negative Battery Bar Advantage

The Volvo VNL Negative Battery Bar (Automann Part # 178.2024BK) is built to Fleet Standard specifications for long-term durability in harsh environments. It features a protective black finish to clearly identify the negative (ground) side of the circuit, significantly reducing the risk of cross-polarity errors during battery swaps. Note: This bar is precision-stamped to align perfectly with terminal spacing on Volvo's standard 4-battery tray, providing the high-conductivity path required for heavy-duty starters.

As we continue to build the largest inventory of commercial truck parts in Illinois, we prioritize electrical components that prevent road-side breakdowns. This component is a direct professional-grade replacement for Volvo 21107829. Compatible with models spanning 1996 through 2019, including the VNL 630, 670, and 780, this bus bar provides the "OE fit and finish" required to keep your Volvo’s electrical system running at peak efficiency.

Comprehensive Compatibility & Matching Positive Parts

To ensure a safe and complete battery service, verify your configuration and matching positive side requirements below:

  • Negative Bar (Black) Replaces: 21107829, 178.2024BK

  • Positive Bar (Red) Match: 21107828, 178.2024RD

  • Configuration: Designed for 4-Battery Group-31 Setups

  • Fits Models: Volvo VNL (Gen 1 & 2), VNM, VHD, and VNX (1996–2019)

  • Benefits: High Amperage Capacity, Corrosion-Resistant Finish, Exact Terminal Alignment
Specifications
Type
Battery jumper bar
Polarity
Negative (black)
Length
22.7 in
Body
Tin-plated copper, 4-hole
Configuration
4-battery banks
Weight
0.99 lbs
Questions
Will this fit my truck?
This part fits Volvo VNL Gen 1 and 2 (1996-2019), Volvo VNM (1996-2019), Volvo VHD (1996-2019), Volvo VNX (1996-2019). Always confirm your year, make and model before ordering.
What part numbers does it replace?
Yes. It is a direct replacement that interchanges with 21107829.
How fast does it ship?
In-stock orders placed before 12 PM Central on business days ship the same day from our Hanover Park, IL warehouse, and typically arrive in 2 to 5 business days anywhere in the USA.
What's your return policy?
Unused items in original packaging can be returned within 30 days, backed by our 30-day money-back guarantee. If we ship the wrong part, we cover the return label and send the correct one.