The 900117203 key set is a high-compatibility replacement key used for heavy equipment like tractors and excavators. It fits brands like John Deere, Hitachi, and Case, and is ideal for construction and agricultural machinery. Learn how to identify, buy, and install it.
Finding the right key set for your heavy-duty equipment can be challenging—especially when compatibility and authenticity matter. The 900117203 key set is a frequently sought-after item by equipment operators, maintenance teams, and contractors alike. Whether you’re looking to replace lost keys or upgrade to a reliable OEM-compatible solution, this guide covers everything you need to know.
Let’s explore what this key set is, who it’s for, and how to make sure you’re buying the right one.
What is the 900117203 Key Set?
Key Set Overview
The 900117203 key set is a specialized ignition or access key commonly used across various types of construction, agricultural, and industrial equipment. This particular key is typically compatible with brands like John Deere, Hitachi, and Case, among others.
Its unique code—900117203—is what differentiates it from generic or universal key sets. These keys are often used in equipment fleets to streamline access across multiple machines, making it easier for operators and technicians to manage their tools.
Pro Tip: Look for etched or stamped key codes on your existing key to confirm compatibility.
Common Applications & Equipment Compatibility
You’ll often find the 900117203 key set used in:
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Excavators
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Backhoes
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Skid steers
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Bulldozers
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Tractors
This set is engineered to match OEM standards, ensuring smooth ignition and reducing wear on ignition switches. It’s commonly sought out by fleet managers, repair shops, and equipment resellers who prioritize genuine compatibility over cheap duplicates.
Some of the equipment brands this key may fit include:
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John Deere
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Hitachi
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Komatsu
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New Holland
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Case Construction
Using the wrong key type can damage ignition components. Always double-check OEM specs before purchasing.
Who Needs the 900117203 Key Set?
Construction Equipment Operators
In the world of construction, time is money. Having a key that works seamlessly with multiple machines in your fleet saves both. Construction site managers and heavy equipment operators often rely on the 900117203 key set as a universal solution to avoid downtime caused by lost or damaged keys.
Did you know? Many construction firms purchase bulk key sets to ensure every operator has a spare on hand.
Agricultural Machinery Users
Farmers and agricultural contractors also benefit from the 900117203 key set. When you’re dealing with seasonal workloads, the last thing you need is equipment downtime due to a missing key.
This set fits many tractors, combines, and tillers, offering cross-compatibility that helps streamline operations across multiple machines and brands.
For maximum efficiency, many agricultural operations keep several key sets in secure storage for backup.
How to Identify the Right 900117203 Key Set
Serial Numbers & Markings
Before buying a replacement, it’s essential to confirm you’re getting the correct key. The 900117203 code is usually stamped directly on the key shaft or head. Genuine key sets have clear, machine-etched markings—not stickers or laser prints that wear off easily.
If your original key is lost, refer to:
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The operator’s manual
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Manufacturer’s parts list
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Equipment ignition system tags
Always match the key code to the equipment model. Even similar-looking keys can vary in depth, cut pattern, and groove alignment.
Manufacturer Specifications
Each equipment brand might use slightly different key dimensions or blade profiles—even if the key codes seem universal. Check for:
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OEM Part Numbers listed on the manufacturer’s site
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Key shape and blade length
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Groove pattern or notch design
Some sellers provide compatibility charts that list supported machines by model and year. These charts can help you avoid wasting time on trial-and-error key fitting.
Buying from trusted retailers who clearly list compatibility ensures you don’t end up with an unusable duplicate.
Where to Buy Genuine 900117203 Key Sets Online
Top Online Retailers
When it comes to reliability, you want a seller that provides authentic, compatible, and tested key sets. Recommended online sources include:
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Amazon: Look for listings with high reviews and clear OEM compatibility info.
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eBay: Many certified sellers offer OEM or high-quality aftermarket keys at lower prices.
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Specialty Equipment Sites: Retailers like EquipmentKeySupply, AllKeysMade, or ConstructionParts have more detailed spec sheets and support.
Avoid generic listings that don’t show the key code, compatibility, or brand certification.
Pricing Overview
The cost of a 900117203 key set can vary depending on:
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OEM vs Aftermarket (OEM typically costs more)
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Quantity (Bulk packs = lower per-unit price)
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Seller reputation & shipping options
Typical pricing:
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$6–$15 per key (individual)
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$25–$50 per set (bulk pack of 5–10)
Some sellers offer discounts for bulk orders or include free return policies, which is a bonus in case the key doesn’t fit.
How to Replace and Use the Key Set
Step-by-Step Replacement Guide
Replacing your 900117203 key set is a quick process if done correctly. Whether you’re working with heavy machinery, agricultural vehicles, or industrial equipment, follow these steps to ensure a secure fit:
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Turn off all equipment power before beginning. Safety first.
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Remove the old key (if present) and inspect the ignition barrel for damage.
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Insert the new 900117203 key slowly—don’t force it. A proper fit will be smooth.
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Turn the ignition to ensure full compatibility.
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Test additional functions like accessory power or battery-on mode.
Important: If your new key does not fit or feels loose, it could be a counterfeit or incorrect cut.
Common Installation Mistakes to Avoid
Installing a key seems simple, but some common errors can lead to ignition damage or equipment failure:
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Using a mismatched key: Even if it turns, it might not align with the full ignition switch.
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Overturning the key: Can cause internal damage in older equipment models.
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Using duplicates from non-certified sellers: These often lack precise cuts or tolerances.
Pro Tip: If the ignition feels sticky or you’ve had multiple key issues, it might be time to replace the ignition switch, not just the key.
FAQs about the 900117203 Key Set
Is the 900117203 key set compatible with my equipment?
This key set is commonly compatible with brands like John Deere, Case, Komatsu, Hitachi, and more. However, it’s vital to check your equipment model number and confirm with a compatibility chart or seller description.
For exact fit, match the key code from your original key or operator manual.
Can I duplicate the 900117203 key set?
Yes, many local locksmiths or hardware stores can duplicate the 900117203 key, but it’s best to bring an original key, not a worn-out duplicate. Still, for precision and durability, buying OEM replacements is recommended.
What’s the average price of the 900117203 key set?
Prices range from:
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$6–$15 per key for OEM or quality aftermarket
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$25–$50 for multipacks or kits
Bulk pricing is common for fleet or industrial buyers.
How do I know if my key set is genuine?
Authentic key sets will:
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Include a clear 900117203 engraving
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Be sold by verified retailers
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Come in secure packaging with manufacturer labels
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Offer a return or warranty policy
Avoid listings that don’t mention the code or compatibility—those are red flags.
Final Thoughts & Buying Recommendations
Summary of Key Features
The 900117203 key set is more than just a replacement—it’s a critical tool for seamless equipment operation. Here’s what makes it valuable:
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OEM Compatibility with major brands like John Deere, Komatsu, Hitachi, and Case
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Durable build and precision-cut for long-lasting ignition performance
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Available in single units and bulk packs for fleet use
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Easy to install with minimal downtime
Whether you’re managing a construction crew or running a farm, having spare key sets like the 900117203 on hand ensures minimal disruption to your daily operations.
Trusted Sources & Brands
When buying this key set, trust is everything. Stick to reputable suppliers that clearly display:
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OEM part numbers
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Customer reviews
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Detailed compatibility lists
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Return or warranty policies
Recommended retailers:
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✅ Amazon (Verified Sellers)
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✅ eBay (Top Rated Sellers)
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✅ Specialty Equipment Stores like EquipmentKeySupply, KeymanUSA, or TractorToolSupply
Avoid vague listings or sellers who don’t show the 900117203 code in product photos.
Safety Tips When Replacing Equipment Keys
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🔐 Store spare keys in a secure, centralized location
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🧰 Label keys clearly to avoid confusion across machines
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🔧 Regularly check ignition systems for wear or damage
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🚜 Don’t share keys with untrained personnel—equipment misuse can lead to costly repairs or accidents
Safety and operational readiness go hand-in-hand. A small investment in the right key set can prevent major setbacks.
🔚 Final Takeaway
The 900117203 key set is a smart, simple investment for anyone operating or managing heavy machinery. With its widespread compatibility, durable construction, and ease of replacement, it’s one of the most trusted equipment keys available today.
Buy once, buy right—invest in the key set that keeps your equipment moving.
✅ Real-Life Example
Case Study: Ali, a site supervisor in Lahore, lost the master key for his John Deere backhoe. Instead of waiting two weeks for an OEM replacement, he ordered a verified 900117203 key set online with next-day delivery. The new key was fully compatible, fit the ignition perfectly, and prevented costly delays—keeping the project on track.
✅ Comparison Table (OEM vs Aftermarket)
OEM vs Aftermarket 900117203 Key Set: Comparison Table
| Feature | OEM Key Set | Aftermarket Key Set |
|---|---|---|
| Price | Higher ($10–$15) | Lower ($5–$8) |
| Quality Consistency | Very High | Varies by seller |
| Guaranteed Fit | ✔️ Confirmed | ❌ Sometimes varies |
| Return Policy | ✔️ Often included | ❌ Not always |
| Best For | Fleet operators, large contractors | Individual buyers, backups |
✅ OEM Reference Line
According to the John Deere Operator Manual Series 5E, ignition compatibility for models manufactured after 2010 often starts with key code 900117203, making this key set ideal for many modern tractors and loaders.
✅ Pre-Purchase Checklist (UX/Engagement Booster)
🔎 Quick Checklist Before Buying a 900117203 Key Set:
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✔️ Is the key code “900117203” shown clearly on product images?
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✔️ Is the seller verified with positive reviews?
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✔️ Does it list specific compatible equipment models or brands?
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✔️ Is a return or warranty policy included?
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✔️ Is the shipping time fast enough for your needs?
