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Fel Pro RDS 55387 Rear Differential Review

4

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
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Description of Fel Pro RDS 55387 Rear Differential

Meets or exceeds all original equipment specifications. Application specific, providing unsurpassed quality for a seal you can trust. Validated for fit, form, and function. Engineered for the sealing repair environment. Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes.

Reviews

Global ratings 4
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Type of review

Revainrating 5 out of 5

Superb quality on the transaxle

I have not used it (there was a drain plug on my diff. But it was packaged in a well protected flat box and was very high quality)

Pros
  • Specialty Gasket for an unsurpassed gasket quality you can trust
Cons
  • Crumpled

Revainrating 5 out of 5

We love the Fel-Pro brand and it didn't disappoint.

Easily fits our 90 K1500 14 bolt rear diff. We love the Fel-Pro brand and it didn't live up to our expectations. Installed a few months ago with no problems.

Pros
  • For repairing seals
Cons
  • So-so

Revainrating 5 out of 5

The upholstery is of good quality but I wish I could give 4.5 stars.

You can find a 9.5'-14 GM bolt spacer for less than half the price, but they are often made from much inferior material or you have to contend with poor quality. Bolt hole spacing on the cheap ones, it means you get what you pay for. The install map might show which side of the gasket is next to the cap, but since both sides get rtv maybe the logic is that it doesn't matter. Although it arrived in good condition, I'm not sure how?

Pros
  • Tested for fit, form and function
Cons
  • Poor

Revainrating 5 out of 5

Fel-Pro RDS 55387 Rear Axle Seal/Differential Seals

78 years. Truck of a young mother - I rely on Fel-Pro as always. Never in over 40 years have Fel-Pro products let me down, this rear differential seal fits my 1994 GMC K2500 with a 10" 14 hole rear wheel (4:10 ratio), I push my truck very hard and with the NEW 454 all 1 barrel axles, springs, ball joints and NVP 4500 gearbox with 13.5" clutch - I use all Royal Purple fluids so I insist on Fel-Pro for ALL my sealing needs - this seal is in very well protected in the packaging - Thank you Revain…

Pros
  • Every Fel-Pro seal, regardless of size, is engineered to exacting standards using proprietary design, engineering and manufacturing processes
Cons
  • Drill Packing