Description
Practical value and everyday use
ATWOOD MOBILE PRODUCTS 87478 Surge Brake Actuator Cap Replacement Kit is listed in Actuator Assemblies. For a practical buying decision, start with this source-backed point: Atwood 87478 Surge Brake Actuator Replacement Parts – Cap.
The source also records: Surge Brake Actuator Replacement Parts. Use this additional stated detail to judge day-to-day usefulness and package value: Category: Replacement Parts / Brake System / Abs / Actuator Assemblies.
Value-focused decision
Compare those stated features and included items with the current on-page offer and the exact quantity needed. No performance claim is added beyond the source product record.
Complete source-backed product details
Atwood 87478 Surge Brake Actuator Replacement Parts – Cap. Atwood Surge Break Actuators offer a unique design for superior braking that creates more pressure at the brakes than in-line actuator systems. The Lock-Out feature allows use with standard hydraulic brakes for backing up with no need for specific free-backing brakes. Breakaway device will set trailer brakes automatically should separation from tow vehicle occur. Cap only.
Source product highlights
- Surge Brake Actuator Replacement Parts
- Atwood part number: 87478
- Surge Brake Actuator only




Scott Rasmussen –
Cap works fine but the threads are cheap plastic and even though I replaced the master cylinder, the threads are in the frame of the receiver and they just shredded as soon as I tried to screw it in. I just use it as a push on cap now. Kinda sucks.
David C. –
Be careful – it strips easily.
Andy –
Cap fits perfect on my old hitch. Old one stripped out and this one seems like it won’t strip quite as easily.
J. Kennedy –
It’s a MC cap. It works better than the 10+ year old cap I had. Not much more to ask for, in a cap!
Justin Hill –
Kind of expensive for what it is, but if you’re replacing the rest of the brake system or you lose your cap this is your go to. I was the former so I replaced the cap while I was doing the rest and kept the old one just in case something happened to this new one. Fits as expected and does what I needed it to
Jay Benak –
Perfect fit I’ve been looking for just this cap For many a year
don fagerstrom –
Great help and fast shopping6
Evans –
Exactly as described. Replacing all the guts of my surge brake actuator and this was the factory replacement.