Snapper
Rear-Engine Riding Mower

Model # RZT20421BVE2 (7800152) Official Snapper hydro drive 250z

Here are the diagrams and repair parts for Official Snapper RZT20421BVE2-7800152 hydro drive 250z, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 365 parts  |

Hln, Nylon, 7091603
Hln, nylon,

Part #7091603

Replaced by #703232

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Manufacturer substitution
This part replaces 7091603. Substitute parts can look different from the original.
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Fln 5/16-18 7091601
Fln 5/16-18

Part #7091601

Replaced by #703409

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Manufacturer substitution
This part replaces 7091601. Substitute parts can look different from the original.
$9.27
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Nut, Hex Lock, 5/16c Esna Yz 7091298
Nut, hex lock, 5/16c esna yz

Part #7091298

Replaced by #703902

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Manufacturer substitution
This part replaces 7091298. Substitute parts can look different from the original.
This item is not returnable
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Nut 7091070
#13

Frame diagram

Nut

Part #7091070

Replaced by #703409

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Manufacturer substitution
This part replaces 7091070. Substitute parts can look different from the original.
$9.27
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Tube Caster 7035359
#8

Wheels diagram

Tube caster

Part #7035359

Replaced by #1734841SM

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Manufacturer substitution
This part replaces 7035359. Substitute parts can look different from the original.
This item is not returnable
$22.09
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Hfln 3/8 7091619
Hfln 3/8

Part #7091619

Replaced by #703333

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Manufacturer substitution
This part replaces 7091619. Substitute parts can look different from the original.
This item is not returnable
$8.09
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Washer 7024467
#8

38" deck spindle diagram

Washer

Part #7024467

Replaced by #7024467SM

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Manufacturer substitution
This part replaces 7024467. Substitute parts can look different from the original.
This item is not returnable
$7.49
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Throttle Ctl 7075449
#12

Engine (20 hp briggs) diagram

Throttle ctl

Part #7075449

Replaced by #7075449SM

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Manufacturer substitution
This part replaces 7075449. Substitute parts can look different from the original.
$45.26
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Spacer 7072440
#4

38" deck (sub-assembly) diagram

Spacer

Part #7072440

Replaced by #7072440SM

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Manufacturer substitution
This part replaces 7072440. Substitute parts can look different from the original.
This item is not returnable
$15.59
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Blade 7026691
#9

42" deck spindle diagram

Blade

Part #7026691

Replaced by #7026691BZYP

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Manufacturer substitution
This part replaces 7026691. Substitute parts can look different from the original.
This item is not returnable

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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: faulty battery, bad alternator…

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

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

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

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

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

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 starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

Repair difficulty
Time required
 60 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.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…