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.
BEST SELLER
This item is not returnable
$6.24
14% OFF Phone Price : $7.24
In Stock
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
10% OFF Phone Price : $10.27
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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
$5.56
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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
10% OFF Phone Price : $10.27
In Stock
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
12% OFF Phone Price : $8.49
In Stock
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
11% OFF Phone Price : $9.09
In Stock
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
21% OFF Phone Price : $28.09
In Stock
Hflb, 5/16c 7090595
#7

38" deck (sub-assembly) diagram

Hflb, 5/16c

Part #7090595

Replaced by #703354

?
Manufacturer substitution
This part replaces 7090595. Substitute parts can look different from the original.
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
In Stock
Hex Head Cap Screw 7091305
Hex head cap screw

Part #7091305

Replaced by #703589

?
Manufacturer substitution
This part replaces 7091305. Substitute parts can look different from the original.
$7.69
12% OFF Phone Price : $8.69
In Stock
Cable 7100416
#16

Engine (20 hp briggs) diagram

Cable

Part #7100416

Replaced by #7100416SM

?
Manufacturer substitution
This part replaces 7100416. Substitute parts can look different from the original.
$55.99
10% OFF Phone Price : $61.99
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: 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: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

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: shift lever needs adjustment, neutral control needs adjustment…

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

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

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

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 a mandrel assembly on a riding lawn mower

How to replace a mandrel assembly on a riding lawn mower

Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…

Repair difficulty
Time required
 30 minutes or less
How to replace the flywheel key on a riding lawn mower

How to replace the flywheel key on a riding lawn mower

If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower ignition coil

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

Repair difficulty
Time required
 30 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.

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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.…

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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.…