Skip to product information
Usually ships in 2–4 business days.
Compatible with John Deere Gas Fuel Tank GY21102 GY21876 GY20894 D105 D120 LA135 LA140
$103.99
Sale price
$103.99
Regular price
Available to Order
This John Deere Gas Fuel Tank is an aftermarket replacement part compatible with D105, D120, LA135, and LA140 models and matches OEM Part# GY21102, GY21876, and GY20894.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This replacement John Deere Gas Fuel Tank is designed to provide a secure and leak-free storage solution for your lawn tractor's fuel system. This John Deere Gas Fuel Tank features a robust one-piece construction to replace older two-piece designs that are prone to splitting at the seams. Engineered for a direct fit, this gas fuel tank ensures consistent fuel delivery for various residential mower models.
Key Features & Performance
- One-piece molded construction eliminates seam leaks common in original factory tanks
- Manufactured from high-impact polymer for enhanced durability and resistance to environmental stress
- Direct replacement design ensures proper alignment with factory mounting points and fuel lines
- Translucent material allows for easy monitoring of fuel levels during operation
- Vented design helps maintain stable internal pressure for smooth engine performance
Fitment & Compatibility
- John Deere D105
- John Deere D120
- John Deere LA135
- John Deere LA140
- John Deere 102
- John Deere 105
- John Deere L100
- John Deere L110
- John Deere LA100
- John Deere X110
Common Uses
- Replacing a cracked or leaking original equipment fuel tank
- Restoring fuel system integrity on high-hour residential lawn tractors
- Preventative maintenance to avoid fuel contamination from deteriorating tank seals
Technical Specifications
- Part Number(s): GY21102, GY21876, GY20894
- Part Type: Gas Fuel Tank
- Material: High-Density Polyethylene
- Capacity: Approximately 15 Liters
Frequently Asked Questions
Q: Does this tank require special tools for installation?A: Standard hand tools are typically required to remove the mower deck and fender deck for access, though the tank itself uses factory-style mounting.
Q: Is this tank more durable than the original two-piece version?A: Yes, the seamless one-piece design is engineered to prevent the splitting and leaking issues often found in older two-piece assemblies.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.