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5.5 HP (173cc) OHV Vertical Shaft Gas Engine, EPA/CARB

The ideal replacement lawn mower engine

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HONDA GXV160UH2A12 at $469.99 Save $310

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Product Overview

The Predator 173cc OHV vertical shaft engine features gas-saving overhead valves for cooler, cleaner performance and longer life. It also boasts upgraded engineering and construction, like the durable cast iron cylinder or fuel shut off for safe transport. The vertical shaft on this gas engine makes it the perfect replacement motor for your lawn mower. Just replace the worn out motor and watch your mower work like new!

  • Upgraded engineering and construction for improved service life
  • Durable cast iron cylinder withstands wear and abuse
  • Lightweight, compact design
  • Recoil
  • Fuel shut off for safe transport
  • Ball bearing support shaft for long life
  • Our Predator 173cc 5.5HP Vertical Engine is a great replacement for your Honda GXV160, 163cc engine, Honda GCV170, 166cc engine, Briggs & Stratton 625Exi, 150cc engine, Briggs & Stratton 675Exi, 163cc engine, Briggs & Stratton 800Exi, 175cc engine, Briggs & Stratton InStart 111P, 175cc engine, Kohler XT775, 173cc engine, Yamaha MA175V, 174cc engine, and Kawasaki FJ180V, 179cc engine

Replacement Parts in Stock

Call to Order: 1-800-444-3353

View Available Parts

Important Information

  • This is a clearance item. For lawn mower use only. This item can only be shipped within the 48 contiguous states via Standard Ground Shipping. In order to return this item for a refund or replacement, all fuel must first be drained.
  • This item is subject to a 20% restocking fee


Accessories Included
Pleated paper air cleaner, and pre-filter air cleaner
Engine displacement (cc)
Horsepower (hp)
Speed (max)
3200 RPM
Maximum Torque
6.6 ft. lbs. torque at 2500 RPM
Mounting type
Product Height
11 in.
Product Length
15-1/2 in.
Product Weight
29.00 lb.
Product Width
13-3/4 in.
Shipping Weight
33.55 lb.
Start type
Stroke length (in.)
45 mm
3/16 in.
Mounting pattern
8.0 in. (203mm); 3/8 in-24UNF tapped hole; 2 x 8.7mm through-hole
Shaft length (in.)
3.2 in. / 80.2 mm
Shaft rotation direction
Shaft Diameter
7/8 in. (22.2mm)
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change


We guarantee the emissions control system on your engine will be free from defects in material and workmanship for two (2) years, provided there has been no improper maintenance, misuse, or abuse of your engine. We guarantee this product to be free from defects in materials and workmanship for 90 days from the date of purchase. Limitations apply.