Will these clamps work on auto radiator hoses?

Yes, very well, with a caveat. These clamps are 3/4" wide and the radiator I wanted to use it for has less than 3/4" length from tank to barb. In this case the clamp would be rubbing on the tank and over lap the barb. If I had 7/8" to 1" flat I would have stayed with this T-bolt clamp. Instead I opted for a 1/2" wide worm gear lined clamp.

Solid pipe is 2.20 " od with digital caliper. hose to go over pipe is 2.22"id. outside of hose is 2.55. which clamp is gonna fit tight?

You should select T clamps based on Hose OD 2.55" = 64.8mm, we suggest to use 2.25" t bolt clamps with the working range at 64mm - 71 mm. thank you!

How would these work on a 2" water suction hose on my gas powered water pump? Honda WX20.

Hello, Dear Linda, Please check your hose OD diameter and make sure it is in the working range. Usually 2" Water hose means its' ID size is 2", but the thickness in different standard is much different, it leads the OD is much different accordingly. Please select appropriate T Clamps based on your OD size. Thank you and have a nice day today. Thank you to consider buying from us: Roadformer Best Regards, Roadformer Products

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4 inch T Bolt Hose Clamp O.D..: 3.81" - 4.13" (2 Pack)

4 inch T Bolt Hose Clamp O.D..: 3.81" - 4.13" (2 Pack)

Product ID: 129630632

Details

Brand
ROADFORMER
Color
Metallic
Item Diameter
3.81 inches
Item Weight
0.17 kg
Item dimensions L x W x H
5 x 4 x 1
Material
Stainless

🔒Nylon Locknut for Secure Fit

🔩304 Stainless Steel Bolt

🛠️Floating Bridge for Even Pressure

€ 45.05

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Description

🔧 Lock in performance, unlock peace of mind.

ROUNDED EDGES - Prevents hose damage—because your performance parts deserve gentle care.
EASY INSTALLATION - Slide, adjust, and tighten with common tools—no mechanic needed.
NYLON INSERT LOCKNUT - Ensures a vibration-proof, rock-solid hold even under high pressure.
FLOATING BRIDGE DESIGN - Distributes clamping pressure evenly to protect your turbo and intercooler hoses.
PREMIUM 304 STAINLESS STEEL - Corrosion-resistant strength that lasts through every ride and season.

The ROADFORMER 4 inch T Bolt Hose Clamp (2-pack) features full 304 stainless steel construction with a floating bridge and nylon locknut for superior durability and secure clamping. Designed for hoses with an outer diameter of 3.81" to 4.13", it offers even pressure distribution and rounded edges to protect sensitive turbo intake and intercooler piping. Ideal for high-vibration, high-pressure automotive and industrial applications, these clamps combine premium materials with easy installation for reliable, long-term performance.

Specifications

ASIN	B07M6K6B5V
Best Sellers Rank	#4,437 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Replacement Clamps & Sleeving Hoses
Brand Name	ROADFORMER
Color	Metallic
Customer Reviews	4.6 4.6 out of 5 stars (3,979)
Item Diameter	3.81 inches
Item Dimensions	5 x 4 x 1 inches
Item Weight	0.17 kg
Manufacturer	Roadformer
Manufacturer Part Number	R400TBSS
Material Type	Stainless Steel
Model Number	R400TBSS
Number of Items	2
Set Name	2 pack
Style Name	Industrial
UPC	735551429078
Unit Count	2 Count

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€ 45.05

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

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TrustScore 4.5 | 7,300+ reviews

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