1995 Ford F-53 Center Bearing Part Numbers: E9TZ4817C vs F1TZ4817B Compared

Here's the Deal

Yesterday your RV sat stranded with a failed center bearing — but choosing the right part number between E9TZ4817C and F1TZ4817B will have you back on the road tonight. E9TZ4817C was used on early 1995 production (typically before March 1995 build date), while F1TZ4817B was used on later production. Check your door jamb sticker for the build date, or measure the bearing housing - E9TZ4817C has a 2.5" diameter housing while F1TZ4817B has a 2.75" diameter housing.

Gather These First

• Floor jack and jack stands
• Socket set (metric and standard)
• Measuring tape or calipers
• Flashlight or work light
• Safety glasses
• Work gloves
• Penetrating oil (PB Blaster or similar)

The Repair Process

1. Safety first: Park on level ground, engage parking brake, and chock the rear wheels
2. Raise the vehicle: Use proper jack points to lift the center section of the RV and secure with jack stands
3. Locate the center bearing: It's mounted to the frame crossmember between the transmission and rear axle
4. Support the driveshaft: Use a transmission jack or secure support to prevent the driveshaft from dropping during bearing removal
5. Clean the area: Remove dirt and debris to see any part numbers stamped on the bearing housing
6. Take measurements: Record the bearing diameter, mounting bracket configuration, and overall dimensions
7. Check for part markings: Look for any Ford part numbers or date codes on the bearing assembly
8. Inspect related components: Check U-joint condition and driveshaft runout while accessing the center bearing
9. Compare with specifications: Different production runs may have specific bearing sizes with particular mounting dimensions

Situations That Need a Professional

Consider professional help if:

• You're uncomfortable working under a raised RV
• The driveline shows signs of damage or excessive wear
• You discover other driveline components need replacement
• The bearing is seized to the driveshaft
• You don't have proper lifting equipment

Important: Driveline work affects vehicle safety. If you're unsure about any aspect of the repair, consult a qualified RV or truck service center.

Ongoing Maintenance

Once you have the correct part:

• Mark the driveshaft position before removal using chalk or paint marks on both the shaft and yoke to maintain proper phasing alignment
• Use anti-seize compound on mounting bolts
• Torque center bearing mounting bolts to 35-45 ft-lbs and U-bolt nuts to 15-20 ft-lbs (verify with Ford specifications for your specific model)
• Check driveline alignment after installation

Tools & Supplies You'll Need

Recommended for this job

Jack Boss 3 Ton Low Profile, Aluminum and Steel Racing Floor Jack with Dual Lifts the chassis for tire and suspension work. View on Amazon → BIG RED T43202 Torin Heavy Duty Steel Jack Stands: 3 Ton (6,000 lb) Capacity Hold the rig up safely once it is lifted. View on Amazon → CRAFTSMAN 230 Pcs Mechanics Tool Set, Socket Wrench Set, Car Tool Kit with A broad SAE/metric socket-and-ratchet set covers most RV fasteners. View on Amazon → WORKPRO 25-FT Tape Measure with Fractions, 3 Brakes Retractable Measuring For layout, clearances, and replacement-part sizing. View on Amazon →

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