Snapper
Rear-Engine Riding Mower

Model # RZT185381BVE (7800151) Official Snapper hydro drive 250z

Here are the diagrams and repair parts for Official Snapper RZT185381BVE-7800151 hydro drive 250z, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 301 parts  |

Hln, Nylon, 7091603
Hln, nylon,

Part #7091603

Replaced by #703232

?
Manufacturer substitution
This part replaces 7091603. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.24
14% OFF Phone Price : $7.24
In Stock
Seat Switch 7023354
#9

Electrical group diagram

Seat switch

Part #7023354

Replaced by #7023354YP

?
Manufacturer substitution
This part replaces 7023354. Substitute parts can look different from the original.
This item is not returnable
$20.60
23% OFF Phone Price : $26.60
In Stock
Hn, 9/16f Gr 7091633
#9

38" deck spindle diagram

Hn, 9/16f gr

Part #7091633

Replaced by #7091633SM

?
Manufacturer substitution
This part replaces 7091633. Substitute parts can look different from the original.
This item is not returnable
$8.09
11% OFF Phone Price : $9.09
In Stock
Nut 7091070
#13

Frame diagram

Nut

Part #7091070

Replaced by #703409

?
Manufacturer substitution
This part replaces 7091070. Substitute parts can look different from the original.
$9.27
10% OFF Phone Price : $10.27
In Stock
Fln 5/16-18 7091601
Fln 5/16-18

Part #7091601

Replaced by #703409

?
Manufacturer substitution
This part replaces 7091601. Substitute parts can look different from the original.
$9.27
10% OFF Phone Price : $10.27
In Stock
Hex Head Cap Screw 7027172
#8

Deck lift (38/42) diagram

Hex head cap screw

Part #7027172

Replaced by #1X38MA

?
Manufacturer substitution
This part replaces 7027172. Substitute parts can look different from the original.
In Stock
Hex Head Cap Screw 7090072
#18

Electrical group diagram

Hex head cap screw

Part #7090072

Replaced by #1X38MA

?
Manufacturer substitution
This part replaces 7090072. Substitute parts can look different from the original.
In Stock
Hcln, 7/16c 7090839
#9

Wheels diagram

Hcln, 7/16c

Part #7090839

Replaced by #7090839SM

?
Manufacturer substitution
This part replaces 7090839. Substitute parts can look different from the original.
This item is not returnable
$8.49
11% OFF Phone Price : $9.49
In Stock
Hhcs, 7/16c 7091772
#7

Wheels diagram

Hhcs, 7/16c

Part #7091772

Replaced by #7091772SM

?
Manufacturer substitution
This part replaces 7091772. Substitute parts can look different from the original.
This item is not returnable
$13.13
13% OFF Phone Price : $15.13
In Stock
Hcln 3/8 7091585
Hcln 3/8

Part #7091585

Replaced by #703347

?
Manufacturer substitution
This part replaces 7091585. Substitute parts can look different from the original.
This item is not returnable
In Stock

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: faulty battery, bad alternator…

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace the seat switch on a riding lawn mower

How to replace the seat switch on a riding lawn mower

Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower spark plug

How to replace a riding lawn mower spark plug

If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.…

Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…