John Deere D110 LA115 LA125 Carburetor | 19.5HP 21HP Briggs MIA11474
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- John Deere D110 lawn tractor with matching 19.5HP or 21HP Briggs engine
- John Deere LA115 lawn tractor with matching Briggs engine
- John Deere LA125 lawn tractor with matching Briggs engine
- Briggs engine models 31A707, 31A777, 31B775, and 31C707 using one of the listed carburetor numbers
Product Overview
A lawn tractor that starts only with spray, surges across the yard, or dies as the deck loads up may not be receiving a controlled fuel mixture. This carburetor is a direct service choice when diagnosis points to the original carburetor rather than the ignition, valves, or fuel supply.
John Deere model badges span several engine specifications. Match the engine model and code, fuel-solenoid plug, linkage arms, and one of the listed references before purchase.
This is a high-quality aftermarket replacement or service part and is not manufactured or supplied by the original equipment brand.
Key Features & Performance
- Restores fuel metering on matching single-cylinder Briggs tractor engines
- Includes provision for the correct fuel-shutoff arrangement when matched
- Supports smooth idle and governed operation after proper setup
- Aftermarket alternative to replacing an otherwise serviceable tractor
Replaces Part Numbers
- MIA11474
- MIA12509
- MIA11520
- 792768
- 799727
Common Uses
- Repairing a mower that hunts or stalls under deck load
- Correcting repeated bowl leakage or a failed fuel solenoid circuit after diagnosis
- Returning a seasonal tractor to service after stale-fuel damage
Technical Specifications
- Product Type: Lawn tractor carburetor
- Compatible Tractor Family: John Deere D110, LA115, and LA125
- Engine Range: Matching Briggs 19.5HP and 21HP specifications
- Replacement Type: Aftermarket
Installation & Fitment
- Verify the tractor PIN and complete Briggs model, type, and code
- Photograph the governor and choke linkage before removal
- Replace contaminated fuel and inspect the shutoff-solenoid wiring
- Test for leakage and confirm governed RPM before mowing
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown. Model names and year ranges alone may not guarantee fitment. Always compare the original component, reference number, dimensions, connectors, engine or vehicle identification, and installed configuration before purchase.
Frequently Asked Questions
Q: Will it fit every D110? A: Not automatically. Confirm the engine code and original carburetor number because production changes can affect fitment.
Q: Can a dirty fuel tank ruin the replacement? A: Yes. Debris or water left in the supply system can immediately contaminate a new carburetor.
Q: Why does the mower die only when the deck is engaged? A: A lean carburetor is one possibility, but ignition weakness, valve clearance, governor problems, or a dragging deck also need inspection.
Q: How should final fitment be confirmed? A: Match the original component and every listed identifier and physical detail; contact Northline Parts with the model, serial number, VIN, engine code, or clear photos when additional help is needed.
Part Summary
keywords: John Deere D110 carburetor replacement, LA115 mower carburetor, LA125 21HP Briggs carb, MIA11474 replacement, John Deere mower stalls under load part
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.