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Fab Heavy Parts  |  SKU: FN26081440

SG025 / MFB50 Swing Motor Seal Kit for Caterpillar E307 / 307

$111.99 USD
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  • Powering 10,000+ Commercial Fleets

  • One Year Warranty

  • Easy 60-day Return

  • No Hidden Charges Upon Arrival

Compatibility Information

Part NumberSG025 / MFB50
MakeCaterpillar
ModelE307, 307

Description

SG025 / MFB50 Swing Motor Seal Kit for Caterpillar E307 / 307

Stop hydraulic leaks and restore full swing motor performance with this complete seal kit, designed as a direct OEM-compatible replacement for the SG025 / MFB50 swing motor on Caterpillar E307 and 307 excavators. A worn or damaged seal set is one of the most common causes of swing motor inefficiency — this kit gives you everything needed to bring your motor back to spec in one rebuild.

Key Features

  • Complete seal kit for SG025 / MFB50 swing motor rebuild
  • Stops internal and external hydraulic leaks
  • Restores swing motor pressure, torque, and responsiveness
  • High-quality seals engineered for durability under continuous hydraulic load
  • OEM-compatible fit for a straightforward, reliable installation

Compatibility

Fits the SG025 / MFB50 swing motor on the following Caterpillar excavator models:

  • Caterpillar E307
  • Caterpillar 307

Please verify your machine's model and serial number before ordering to ensure correct fitment.

Why Choose Fab Heavy Parts?

At Fab Heavy Parts, we make it easy to find the right seal kits and hydraulic components for your heavy equipment. Every kit is sourced to meet or exceed OEM standards — so you can rebuild with confidence and get back to work fast.

1 Year Warranty

Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.

Enjoy peace of mind with Fab Heavy Parts!

For more warranty details, please check out our warranty policy.

Fast Delivery

Estimated delivery time 3-6 workdays

No Core Charge

We don't have a core charge for any products.

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The Right Part, the First Time

Engine and hydraulic parts matched by part number, trusted by fleets, contractors and repair shops worldwide.

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Since 2019

Supplying heavy equipment parts to the trade

Frequently Asked Questions

What is your return policy?

We accept returns within 60 days of delivery for unused parts in original packaging. To initiate a return, please submit your request through our return portal. Return shipping costs for non-defective items are the buyer's responsibility.

Can I cancel my order?

You may request a cancellation before your order has been dispatched. Once an order has been fulfilled and shipped, it cannot be cancelled — standard return terms will apply instead. Please contact us as soon as possible if you need to cancel.

What payment methods do you accept?

We accept all major credit and debit cards including Visa, Mastercard, and American Express. We also support PayPal, Apple Pay, and Google Pay at checkout. For B2B and trade customers, bank transfer and net payment terms may be available upon account approval — please contact us to discuss your requirements.

How long will delivery take?

Estimated delivery timeframes are displayed on most product pages and all tool listings. For parts without a displayed timeframe, standard delivery to US addresses is typically 5–10 business days from dispatch, depending on your location and the origin warehouse. Express shipping options may be available at checkout.

Will I be charged import tax or customs duties?

No. US customers are not charged any import fees or customs duties on their orders. The price you see is what you pay — there are no hidden charges added upon delivery.

How do I find out the shipping cost for my order?

You can get an estimated shipping cost directly on the cart page — just add your parts to the cart and enter your delivery zip code to see available shipping options and rates. For large or heavy orders requiring a freight quote, please contact us directly with your parts list and delivery zip code.

Do you offer trade accounts for US buyers?

Yes. US trade customers can apply for a B2B account to access volume pricing, bulk quotation, team invite and dedicated account support. Contact us directly to get started.

Ask a Question

Feel free to leave your question with us. Our current response time is around 24 hours, though we will get back to you faster when possible.

SG025 / MFB50 Swing Motor Seal Kit for Caterpillar E307 / 307 - Fab Heavy Parts
Fab Heavy Parts

SG025 / MFB50 Swing Motor Seal Kit for Caterpillar E307 / 307

$111.99 USD

SG025 / MFB50 Swing Motor Seal Kit for Caterpillar E307 / 307

Stop hydraulic leaks and restore full swing motor performance with this complete seal kit, designed as a direct OEM-compatible replacement for the SG025 / MFB50 swing motor on Caterpillar E307 and 307 excavators. A worn or damaged seal set is one of the most common causes of swing motor inefficiency — this kit gives you everything needed to bring your motor back to spec in one rebuild.

Key Features

Compatibility

Fits the SG025 / MFB50 swing motor on the following Caterpillar excavator models:

Please verify your machine's model and serial number before ordering to ensure correct fitment.

Why Choose Fab Heavy Parts?

At Fab Heavy Parts, we make it easy to find the right seal kits and hydraulic components for your heavy equipment. Every kit is sourced to meet or exceed OEM standards — so you can rebuild with confidence and get back to work fast.

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