Differential Spider Gear Kit F8.8CPK ZIKF8.8T/L31 ZIKF8.8-T/L-31 Fits for Ford 8.8" E-150 Engine 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated
Differential Spider Gear Kit F8.8CPK ZIKF8.8T/L31 ZIKF8.8-T/L-31 Fits for Ford 8.8" E-150 Engine 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated is backordered and will ship as soon as it is back in stock.
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Powering 10,000+ Commercial Fleets
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One Year Warranty
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Easy 60-day Return
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Expert support & Fitment Guarantee
Description
Description
Differential Spider Gear Kit F8.8CPK ZIKF8.8T/L31 ZIKF8.8-T/L-31 – Replacement for Ford 8.8" Differential
Aftermarket differential spider gear kit engineered for precise torque distribution and reliable drivetrain performance across a wide range of Ford 8.8" rear axle applications. Precision-manufactured components ensure drop-in compatibility with correct fitment.
Technical Specifications
- Part Numbers: F8.8CPK, ZIKF8.8T/L31, ZIKF8.8-T/L-31, ZIKKF8.8T/L31, ZIKKF8.8-T/L-31
- Condition: New, aftermarket replacement
- Function: Differential torque distribution, wheel speed differentiation, and drivetrain power transfer for smooth cornering and reliable traction across all driving conditions
Equipment Compatibility
Note: Compatibility is provided for reference. Please verify against your part number before ordering.
Fits Ford Models:
- Bronco 1983–1996
- Crown Victoria 2003–2009
- E-100 Econoline 1983
- E-150 2003–2014
- E-150 Econoline 1983–2002
- Expedition 1997–2001
- Explorer 1991–2001
- Explorer Sport Trac 2002–2005 & 2007–2009
- F-150 1983–2014
- Granada 1979–1982
- LTD 1979–1986
- LTD Crown Victoria 1987–1991
- Mustang 1994–2004 & 2006–2014
- Ranger 1999–2010
- Thunderbird 1987–1997
Why Choose This Differential Spider Gear Kit
The spider gear kit is a critical component inside your Ford 8.8" differential — it allows the left and right wheels to rotate at different speeds during cornering while continuously transferring engine torque to both wheels. Worn or broken spider gears cause clunking noises, binding during turns, uneven tire wear, and in severe cases complete loss of drive. This replacement kit delivers:
- Consistent torque distribution – Engineered to maintain correct gear mesh, spider gear rotation, and differential action for your Ford 8.8" rear axle
- Exact-fit installation – Direct replacement with correct gear count, shaft diameter, and differential case compatibility
- Durable construction – Built to withstand continuous drivetrain loads, high-torque applications, and the demanding conditions of daily driving and towing
- Cost-effective solution – Aftermarket quality at a fraction of dealer pricing
Package Contents
- 1 × Differential Spider Gear Kit F8.8CPK
Essential for differential rebuild and spider gear replacement. Keep your Ford Bronco, F-150, Mustang, Explorer, E-150, Expedition, Ranger, and Thunderbird differentials transferring power smoothly and reliably on every drive.
1 Year Warranty
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
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
Frequently Asked Questions
Shipping and Delivery
What countries do you ship to?
What countries do you ship to?
We can ship to these countries:
Indonesia, Japan, Malaysia, Philippines, Singapore, South Korea, Thailand, Vietnam
United States
Belgium, San Marino, Italy, Spain, Netherlands, France, Germany, Finland, Austria, Denmark, Ireland, Luxembourg, Monaco, Norway, Sweden, Switzerland, Portugal, Poland, Hungary, Canada, Estonia, Australia, Mexico, New Zealand, Bulgaria, Croatia, Cyprus, Czechia, Greece, Greenland, Iceland, Liechtenstein, Lithuania, Malta, Romania, Russia, Slovakia, Slovenia, Latvia, Turkey, United Kingdom
How long will it take to receive my order?
How long will it take to receive my order?
Estimated delivery time to USA: 3-6 workdays;
Estimated delivery time to Canada, Mexico: 4-7 workdays;
Estimated delivery time to Australia: 4-7 workdays;
Estimated delivery time to European countries: 4-7 workdays;
Estimated delivery time to Asian countries: 3-5 workdays.
Returns and Refunds
How do I return a product?
How do I return a product?
Our return policy lasts 60 days. If 60 days have gone by since the delivery, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused, not installed, clean and in the same condition that you received it. Shrink wrapping must not be broken. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
Steps of Returning Products to Fab Heavy Parts
1. Request returns in seconds at our return portal.
2. Fill in the email address you left with the order & the order number to start the return. Note: a correct order number format starts with a # hashtag
3. Select the items you wish to return and choose the return reason and upload photos of the received package.
Then, Fab Heavy Parts receives your return request and starts to process your return request. We may contact you for more details.
Steps after the approval of your return request:
1. A Return label will be sent to you via email. Print out the return label, place it on the parcel, and take it to the drop-off point. Make sure you properly pack the product for return if it’s returnable.
2. A refund of the original purchase price will be issued.
Any questions about returning products, please feel free to contact us at info@fabheavy.com
How long will it take to receive my refund?
How long will it take to receive my refund?
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment within 3-10 business days.
Payment Methods
What kind of payment methods do you accept?
What kind of payment methods do you accept?
We accept all major credit cards, PayPal, Google Pay, Apply Pay, Shop Pay, debit cards.
If you prefer offline payment, please contact us to get our bank transfer details.
Taxes or duties
Will I receive customs/import duties?
Will I receive customs/import duties?
For orders shipping to the United States, our price includes the import fees. The receiver/buyer doesn't need to pay any extra customs taxes, or duties for their packages. For orders shipping to non-US countries, please check our policy here.


