Wacker Neuson 5100037520 Red Battery Terminal Boot

The Wacker Neuson 5100037520 Red Battery Terminal Boot is a genuine OEM protective cover designed for the APT4, APT6, and APT8 series self-priming centrifugal pumps, including Surge Brake, Electric Brake, Skid-mount, and Cold Weather variants. Sourced directly from Wacker Neuson, this component meets the exact material and dimensional specifications of the original part. It fits across the full APT pump lineup — from the compact APT4S and APT4T through the heavy-duty APT8S and APT8T — making it a straightforward stock item for operators running multiple units. Confirm your model number before ordering to ensure a direct match with your machine's battery circuit.

Key Features

• Insulating-Grade Material: — Molded from flexible, insulating-grade rubber to maintain a secure, weatherproof seal over the positive battery terminal and prevent accidental shorts.
• Color-Coded Red Positive Identification: — Red coloring follows standard electrical convention for positive terminals, ensuring correct reinstallation and polarity identification at a glance.
• Direct OEM Replacement: — Manufactured to Wacker Neuson OEM specifications; slips onto the terminal post exactly as the original, with no trimming or adaptation needed.
• Broad APT Series Coverage: — Compatible with APT4T, APT4S, APT6T, APT6S, APT8T, and APT8S pump configurations, including Electric Brake, Surge Brake, Skid, and Cold Weather variants.
• Corrosion and Arc Prevention: — A damaged or missing terminal boot exposes live battery connections to moisture, debris, and metal contact — accelerating corrosion and creating a potential arc hazard in a wet pumping environment.

The battery terminal boot is a protective insulating cover that fits over the positive battery terminal on the APT series pump's electrical circuit. Its primary role is to shield the terminal from moisture ingress, dust, and accidental metal contact that could cause a short circuit or accelerated corrosion — both of which are common risks in the wet, outdoor environments where trash pumps typically operate. When this boot cracks, tears, or goes missing, the exposed terminal becomes vulnerable to damage that can interrupt the pump's electrical system and lead to starting failures or battery drain.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.