Automann 561.25300 Cross Reference
OneTouch OTX-4CT300S is a direct interchange for Automann 561.25300. Both are a heavy-duty constant torque clamp with a clamping range of 2-1/4 in to 3-1/8 in (57–79 mm), so the clamp drops into the same position on the vehicle without changes to the hose or fitting.

OneTouch replacement
Constant Torque Clamp HD 2.25 in to 3.13 in
Part No. OTX-4CT300S
- Clamping Range 2-1/4 in to 3-1/8 in (57–79 mm)
- Band Width 5/8 in
- Band Material 301 Stainless Steel
OTX-4CT300S specifications (replaces Automann 561.25300)
| Clamp Type | Heavy-Duty Constant Torque Clamp |
| Application | Coolant & Heater Hoses |
| Clamping Range | 2-1/4 in to 3-1/8 in (57–79 mm) |
| Hex Size | 3/8 in |
| Torque Rating | 92 in-lbs |
| SAE | 312 |
| Band Width | 5/8 in |
| Band Material | 301 Stainless Steel |
| Screw | 410 Stainless Steel | 3/8 in hex |
| Sold As | Each |
Where the Automann 561.25300 clamp is used
Constant torque clamps have a spring washer stack that keeps the clamp tight as the hose expands when hot and shrinks when cold, so coolant and heater lines do not seep after a cold start. OTX-4CT300S is used on coolant & heater hoses.
Other part numbers that match OTX-4CT300S
10 more OEM and aftermarket numbers cross to the same clamp. Any of them can be ordered as OTX-4CT300S.
| Name | Part Number | Type |
|---|---|---|
| Automann | 561.25300 | Aftermarket |
| Automann | 56125300 | Aftermarket |
| Breeze | CT 300 L SS | Aftermarket |
| Breeze | CT300LSS | Aftermarket |
| Excoh | 4CT300S | Aftermarket |
| Gates | 32630 | Aftermarket |
| Norma | 0156 0005 068 | Aftermarket |
| Norma | 1560005068 | Aftermarket |
| Norma | 01560005068 | Aftermarket |
| Tectran | HK300 | Aftermarket |
| Velvac | 022430 | Aftermarket |
Ordering OTX-4CT300S
Quote requests for OTX-4CT300S are answered within 24 hours. Tell us the quantity, and mention Automann 561.25300 if you are replacing that number.
Questions about this number
Is OTX-4CT300S the same as Automann 561.25300?
Yes. OTX-4CT300S matches Automann 561.25300: clamping range 2-1/4 in to 3-1/8 in (57–79 mm), band width 5/8 in. If the hose has been changed since the old clamp was fitted, measure the hose outside diameter before ordering.
What size is the Automann 561.25300 clamp?
Automann 561.25300 fits 2-1/4 in to 3-1/8 in (57–79 mm). The band is 301 Stainless Steel.