What is the inner width of the bolts front / back and side / side?

Inner Width of the bolts front / back --- 4-1/2 inches Inner Width of the bolts side / side --- 3-3/8 inches

What should the bolt/nuts be torqued to?

That's a good question. Honestly I'm not a hundred percent sure about torqueing it down to so many ft pounds. I started by leaving my septic hose in the bumper and then tighten one a few turns at a time until I could feel a slight resistance with the hose and stopped. I works wonderful with no complaints.

What's the difference between the 63803 and 63803p?

63803P includes hitch pin and clip.

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TOPTOW RV Bumper Hitch Receiver 63801 for 4 inch to 4.5 inch Beams, 2 inch Receiver Opening, Fits for Bike Racks, Cargo Carriers Camper-on

TOPTOW RV Bumper Hitch Receiver 63801 for 4 inch to 4.5 inch Beams, 2 inch Receiver Opening, Fits for Bike Racks, Cargo Carriers Camper-on

Product ID: 183818423

Details

Brand
TOPTOW
Finish Type
Powder Coated
Material
Metal
Pull Force
200 Pounds
Vehicle Service Type
travel trailer

📏2" x 2" receiver opening

⚖️200 lbs tongue weight capacity

🛠️4 fully threaded bolts for secure install

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€ 148.42

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚐 Elevate your RV’s utility with strength and style—don’t get left behind!

HEAVY DUTY STEEL BUILD - Robotically welded for unmatched strength and durability on the road.
EASY BOLT ON INSTALLATION - Mounts effortlessly on 4" to 4.5" RV bumpers with 4 secure bolts—no hassle, no fuss.
OPTIMIZED FOR LIGHT LOADS - Supports up to 200 lbs tongue weight—perfect for your everyday cargo needs without overkill.
UNIVERSAL 2 RECEIVER FIT - Seamlessly compatible with most bike racks & cargo carriers for versatile hauling.
CORROSION RESISTANT POWDER COAT - Black finish shields against rain, salt, and snow—built to last season after season.

The TOPTOW RV Bumper Hitch Receiver 63801 is a robust, powder-coated steel hitch adapter designed for 4" to 4.5" RV bumpers. Featuring a standard 2" x 2" receiver opening, it supports up to 200 lbs tongue weight, making it ideal for bike racks and cargo carriers. Easy to install with 4 fully threaded bolts, it offers dependable strength and corrosion resistance for long-lasting performance.

Specifications

ASIN	B07XG1914D
Automotive Fit Type	Universal Fit
Best Sellers Rank	#12,450 in Automotive ( See Top 100 in Automotive ) #17 in Towing Hitch Receivers
Brand	TOPTOW
Customer Reviews	4.6 4.6 out of 5 stars (2,310)
Date First Available	August 12, 2019
Finish Type	Powder Coated
Item Weight	10.95 pounds
Item model number	63801
Manufacturer	TOPTOW
Manufacturer Part Number	63801
Material	Metal
Maximum Towing Capacity	200 Pounds
Product Dimensions	7.48 x 5.91 x 4.21 inches
Pull Force	200 Pounds
UPC	746268016079
Vehicle Service Type	travel trailer RV

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