Briggs and Stratton camshaft replacement typically costs $250-$700, with many standard repairs landing near $450. The engine model, damage to related valve-train parts, labor rates, and whether the engine must be removed can move the final quote substantially.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Total replacement | $250 | $450 | $700 | Common residential mower or small outdoor-power-equipment engine |
| Camshaft part | $40 | $85 | $180 | Price depends on engine model and original-equipment versus aftermarket part |
| Labor | $150 | $300 | $500 | About 2-4 hours at $75-$125 per hour |
| Diagnosis and shop fees | $30 | $65 | $120 | May be credited toward repair |
Typical camshaft repair prices for Briggs engines
For a common walk-behind mower or lawn tractor engine with a failed camshaft and no major collateral damage, a shop bill is usually $250-$700. A straightforward repair may cost $250-$400; a difficult teardown or additional valve-train work can push the total toward $700 or higher. A practical planning figure is about $450 for parts, labor, and basic shop charges.
Camshaft prices alone are often $40-$180, but the part number must match the engine model and type code, usually found on the engine label. The estimate assumes a standard replacement camshaft, normal access, and no damaged crankshaft, cylinder, or engine block. Assumptions: U.S. independent repair shop, standard residential equipment, ordinary access, and no major internal damage.
What camshaft parts and teardown labor add to the quote
The camshaft itself may be a modest share of the bill. Technicians may need to remove covers, drain oil, inspect timing components, and access the crankcase. Gaskets, seals, push rods, tappets, or a damaged compression-release mechanism can add parts and labor. Ask whether the estimate includes diagnosis, reassembly, oil, and testing.
| Quote item | Typical price | What it covers | When it rises |
|---|---|---|---|
| Camshaft | $40-$180 per part | Model-specific replacement component | Uncommon engine or OEM-only availability |
| Gaskets and seals | $15-$60 per set | Sealing surfaces disturbed during teardown | Multiple covers or damaged seals |
| Labor | $150-$500 | Roughly 2-4 hours of diagnosis and repair | Engine removal or extensive disassembly |
| Oil and shop supplies | $10-$45 | Refill and small consumables | Additional fluids or cleanup |
| Diagnosis or disposal | $30-$120 | Inspection, testing, or handling charge | Separate diagnostic minimum or disposal fee |
Labor and teardown usually determine the final price more than the camshaft’s sticker price. A labor estimate can be checked using ; for example, 3 hours at $100 per hour equals $300 before parts and fees.
Engine size, compression release, and damage change the estimate
Engine configuration and repair access create the largest differences between quotes. A small, common single-cylinder engine may be serviced without removing the whole unit. A riding mower engine that must be lifted from the frame can add 1-3 labor hours, or roughly $75-$375 at typical shop rates. Confirm whether removal and reinstallation are included.
Internal damage also matters. If a broken camshaft has damaged tappets, push rods, or timing components, those parts can add about $20-$150, plus time. A camshaft issue accompanied by low compression, metal in the oil, or a damaged block may indicate a broader engine failure. At 5 or more labor hours, or when additional internal parts are required, compare the repair quote with a replacement engine.
Availability can affect pricing, too. A common engine part may cost $40-$100, while a less common model or a complete assembly can reach $120-$180 or more. Have the shop verify the full model, type, and code rather than ordering from the mower’s brand name alone.
How long the repair takes at a small-engine shop
Most uncomplicated jobs require about 2-4 billable labor hours, though the mower may remain at the shop longer while awaiting parts or a service opening. At $75-$125 per hour, that labor range equals $150-$500. A shop’s minimum charge can make a short inspection cost more than its hands-on time suggests.
Ask for separate labor and parts amounts, the estimated completion time, and the diagnostic fee before authorizing disassembly. A written estimate should state whether the shop will contact the owner before exceeding the quoted total. If the shop finds further damage after opening the engine, it should provide a revised estimate rather than treating every added repair as included.
Regional shop rates can shift a Briggs repair quote
Local labor prices vary with overhead and technician availability. As a rough comparison, rates in lower-cost rural markets may be 10%-20% below the national planning range, while busy metro areas or high-cost coastal markets can run 15%-30% higher. These differences affect labor and shop fees more than the price of a standardized camshaft.
For example, 3 hours of work at $80 per hour is $240 in labor; the same time at $120 per hour is $360. Parts, taxes, and pickup or delivery charges may be additional. Regional comparison assumes similar engine access and the same repair scope; actual shop rates vary by town. Compare two local estimates only after confirming that both include the same parts and teardown work.
Repair or replace the engine when labor passes four hours
Camshaft replacement is more attractive when the engine is otherwise healthy and the total stays below roughly half the price of a compatible replacement engine. If the quote reaches $700-$900 because of extensive labor or internal damage, an engine replacement may be more sensible, depending on equipment value and availability. Replacement engines often cost several hundred dollars to more than $1,000 before installation, so compare complete installed prices rather than part prices alone.
For an older mower with a worn deck, transmission, or other major problems, even a less expensive camshaft repair may not be worthwhile. Conversely, a newer riding mower with a sound engine and a $350-$500 repair may justify the work. Base the decision on total machine condition, not just the camshaft price.
Lower the camshaft bill with a model-matched quote
Provide the engine’s complete model, type, and code when requesting prices. This helps shops confirm the correct camshaft and avoid ordering delays or return charges. Ask whether the estimate uses an OEM or aftermarket part, and whether related parts are included only if inspection shows they are worn or broken.
Reduce avoidable charges by delivering the equipment during normal shop hours, checking whether pickup is optional, and asking if the diagnostic fee applies to the repair. Do not approve replacement of tappets, push rods, or other components without an explanation of their condition. Scope control and a like-for-like comparison are the most reliable ways to keep the repair estimate in budget.
DIY work can reduce labor expense, but camshaft replacement requires correct timing, engine disassembly, and careful reassembly. A mistake can cause poor compression or additional internal damage. For an owner without small-engine repair experience, a written shop quote is often the safer basis for deciding between repair and replacement.