Xianhaoparts

Xianhaoparts MZJ-400A 36V Golf Cart Contactor Solenoid – 400A Heavy-Duty Replacement

$60.52

In stock and ready to ship with free delivery.

Shop Pay installment options may appear at checkout where eligible.

Parts, upgrades and gear for golfers and golf cart owners

Free shipping Secure checkout 30-day free returns
Spare set Need a spare? Add 2 units

Fitment-checked parts and golf gear, shipped free across the US.

Multi-cart Kitting out several carts? Add 3

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

30-day free returns

i

Return shipping is free on every eligible return within 30 days, with a full refund to your original payment method.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support — replies within 1 business day

Questions before checkout? Email golfavero@gmail.com with your cart or club model.

Share

Why customers choose Golfavero

Meet the Xianhaoparts MZJ-400A, a 36V golf cart contactor solenoid designed for demanding electrical engagements. This aftermarket unit delivers a robust 400A current rating and a rugged build, aimed at delivering crisp engagement and reliable response when your cart needs power under load. Built to withstand heavy-duty use, it offers a practical upgrade path for carts that rely on steady electrical performance over time.

Key specifications

  • Voltage: 36V
  • Current rating: 400A
  • Mounting hole diameter: 0.24 in (6 mm)
  • Thread size: M10x1.5
  • Electrical life: 20,000 cycles
  • Mechanical life: 300,000 cycles

Operation and longevity guidelines

  • Starting power guideline: 120W–170W
  • Holding power guideline: 5W–11W
  • Ensure secure mounting and correct wiring to support consistent engagement
  • Following the guidelines may help guard against overheating and extend solenoid life

Why choose this aftermarket replacement

As an aftermarket part, the MZJ-400A is crafted to strict quality standards using durable materials. It represents a practical upgrade option for heavy-duty golf carts that depend on dependable electrical engagement without requiring custom fabrication.

Use cases include upgrading to preserve performance in demanding conditions, or replacing an aging solenoid with a component designed to fit standard golf cart electrical systems.

Practical notes for buyers

This solenoid is designed as a direct aftermarket replacement and should be verified for compatibility with your specific cart model and wiring configuration before installation.

FAQ

Q: What is the MZJ-400A compatible with?

A: Designed for 36V heavy-duty golf carts; supports up to 400A current; uses M10x1.5 mounting with 6 mm holes.

Q: Are there installation precautions for the MZJ-400A?

A: Yes. Set starting power to 120–170W and holding power to 5–11W; operation outside these ranges may shorten life.