JJing

JJing Muffler Carburetor Air Housing Kit for Honda GX340 GX390 GX420 Engines | 11-16 HP

High-performance patio lawn and garden made for confident daily results

$79.65

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium patio lawn and garden quality selected for United States (USA) customers.

Routine pack Build your routine pack (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.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

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

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose PatioZora Garden

Complete tune‑up kit for reliable power

Keep your power equipment ready for tough jobs with JJing's Muffler Carburetor Air Housing Kit. This all‑in‑one package is designed for Honda GX340, GX390, and GX420 engines (11–16 HP) and is compatible with Harbor Freight Predator 420cc units. Instead of chasing individual parts, you receive a carefully curated set that refreshes the key exhaust, air intake, ignition, and fuel pathways, helping your engine perform when you need it most.

What’s inside the kit

  • Muffler, exhaust pipe, carburetor, air cleaner assembly, air breather hose
  • Ignition coil, on/off switch, oil alert unit, insulator, fuel line, fuel joint, clips
  • Carb gasket set (3 gaskets), muffler gasket set (2 gaskets), muffler nuts (5), carb nuts (2), ignition coil bolts (2)

Real‑world use and benefits

In field service, users report easier starts, steadier idle, and steadier throttle response when replacing worn parts with a full tune‑up kit. The integrated design helps restore the engine’s intake, exhaust, and fuel delivery pathways, making routine maintenance more straightforward.

  • Exhaust and muffler replacement can restore proper exhaust flow and reduce leaks
  • Carburetor and air cleaner assembly help maintain a clean intake and efficient air‑fuel mix
  • Ignition coil and on/off switch support dependable starting and simple control
  • Oil alert unit helps monitor lubrication conditions during operation

Compatibility and versatility

The kit is built to fit Honda GX340, GX390, and GX420 engines in the 11–16 HP range, plus Harbor Freight Predator 420cc units. It can be used with related power equipment such as water pumps, pressure washers, and compressors that share these platform engines.

Quality you can rely on

Each part is selected for durability and compatibility, offering a comprehensive replacement option to simplify maintenance and minimize downtime. Before installation, verify fitment with your model and consult a technician if needed.

FAQ

Q: What engines is the JJing Muffler Carburetor Air Housing Kit compatible with?

A: Designed for Honda GX340, GX390, GX420 engines and Harbor Freight Predator 420cc units.

Q: What components are included in this kit?

A: Muffler, exhaust pipe, carburetor, air cleaner assembly, ignition coil, oil alert, fuel lines, gaskets, nuts, bolts, and more.