Craftsman 917273050 garden tractor Parts

Replacing the engine on a Craftsman garden tractor like model 917273050 typically runs $600 to $2,500 installed. The biggest cost swing is the engine itself (OEM-spec replacement versus a compatible alternative) plus any added repairs found in the fuel, wiring, or safety interlock systems.

What changes the price the most

• Engine choice: direct-fit OEM-spec engine costs more than a compatible substitute
• Labor and shop rates: local hourly rates and minimum service charges vary
• Extra parts discovered during the swap: belts, pulleys, fuel lines, clamps, battery cables
• Fuel system cleanup: stale fuel, dirty fuel filter, carburetor service
• Electrical and safety interlocks: seat switch, PTO circuit, clutch/brake start switch

Typical installed cost ranges

Scenario	Typical installed total	What it usually includes
Budget repair	$600 to $1,200	Compatible engine, minimal extras
Mid-range (most common)	$1,200 to $1,900	Direct-fit engine, normal wear items
High-end	$1,900 to $2,500	Premium engine choice plus multiple related repairs

Before you buy an engine, rule out common “no-start” causes

The 917273050 troubleshooting guidance points to issues that often mimic a bad engine:

• Dirty air filter
• Faulty spark plug or loose spark plug wire
• Dirty fuel filter, stale fuel, or water in fuel
• Low oil level or dirty oil
• Loose or damaged wiring
• Operator-presence and interlock system problems (starting conditions not met)

Confirm the correct starting and interlock conditions (PTO disengaged, clutch/brake depressed, operator in seat) in the 917273050 owner’s manual.

Why it matters

An engine replacement is one of the highest-cost riding mower repairs. Checking fuel, spark, wiring, and safety interlocks first prevents paying for an engine when a smaller fix restores normal operation.

Last updated: February 2026

Yes, replacing the engine on your Craftsman garden tractor model 917273050 is worth it when the tractor is otherwise in solid shape and the total repair cost stays under about 50% of the tractor’s current value. If the tractor also has major drive, deck, or safety issues, replacement usually makes more sense.

Quick decision checklist

• Replace the engine if the frame, steering, and mower deck are in good condition and you want to keep the tractor.
• Replace the tractor if you have multiple big-ticket problems (engine plus transmission, deck mandrels, or wiring).
• Price the full job, not just the engine: include belts, filters, oil, blades, and any damaged pulleys.
• Confirm safety systems work; the operator presence and interlock systems must shut the engine off in the situations described in the 917273050 owner’s manual.
• Factor in downtime; an engine swap can take a weekend for an experienced DIYer.

What to inspect before you spend money

Use this as a fast condition check before committing to an engine replacement:

• Deck condition: heavy rust-through, cracks, or severe vibration points to more repairs.
• Blade and mandrel health: bent blades or a bent mandrel can cause vibration and poor cut quality.
• Belt and pulley wear: a worn idler pulley or stretched belt adds cost quickly.
• Electrical condition: loose or damaged wiring and blown fuses can mimic engine problems.
• Maintenance history: low oil, dirty oil, stale fuel, and clogged air filtration commonly cause “engine failure” symptoms.

Cost comparison (rule-of-thumb)

Scenario	Typical outcome	Best choice
Engine is worn but tractor is solid	One major repair restores reliability	Replace engine
Engine plus deck/drive issues	Repairs stack up fast	Replace tractor
“No start” but basic maintenance is overdue	Often fixable with service items	Diagnose first

Why it matters

A new engine only pays off if the rest of the 917273050 is safe and mechanically sound. The manual’s maintenance and safety guidance (tight fasteners, sharp blades, working interlocks, no repairs with engine running) helps you avoid repeat failures and protects the operator.

Last updated: February 2026

Craftsman riding mowers use gasoline engines that vary by model; for Craftsman model 917273050, the owner documentation identifies it as a 20.0 HP electric-start garden tractor. To confirm the exact engine manufacturer and model on your unit, match the engine ID tag on the engine to the specs and service info in the 917273050 owner's manual.

How to identify the exact engine on your Craftsman 917273050

Use the engine’s identification label to pin down the exact make and service parts.

• Find the engine ID tag on the blower housing, valve cover, or near the starter
• Write down the model, type, and code (or spec number)
• Confirm the tractor is 917273050 from the frame model tag
• Use the engine ID (not just tractor model) when buying spark plugs, air filters, and fuel parts
• Keep the engine ID with your maintenance records for faster parts matching

What we can confirm from the manual for this model

The manual for Craftsman 917273050 calls out these key engine-related identifiers.

Item	Craftsman 917273050 (from manual)
Engine output	20.0 HP
Starting system	Electric start
Fuel type	Gasoline

Why it matters

Craftsman tractors can share the same chassis while using different engine families across production runs. Using the engine ID tag plus the 917273050 owner's manual prevents ordering the wrong tune-up parts and helps you follow the correct maintenance schedule.

Last updated: February 2026