Tectran HK20 Cross Reference
OneTouch OTX-4CT0020 is a direct interchange for Tectran HK20. Both are a constant torque clamp with a clamping range of 13/16 in to 1-3/4 in (21–44 mm), so the clamp drops into the same position on the vehicle without changes to the hose or fitting.
OneTouch replacement
Constant Torque Clamp 0.81 in to 1.75 in
Part No. OTX-4CT0020
- Clamping Range 13/16 in to 1-3/4 in (21–44 mm)
- Band Width 9/16 in
- Band Material 301 Stainless Steel
OTX-4CT0020 specifications (replaces Tectran HK20)
| Clamp Type | Constant Torque Clamp |
| Application | Coolant & Heater Hoses |
| Clamping Range | 13/16 in to 1-3/4 in (21–44 mm) |
| Hex Size | 5/16 in |
| Torque Rating | 70 in-lbs |
| SAE | 20 |
| Band Width | 9/16 in |
| Band Material | 301 Stainless Steel |
| Screw | 410 Stainless Steel | 5/16 in hex |
| Sold As | Each |
Where the Tectran HK20 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-4CT0020 is used on coolant & heater hoses.
Other part numbers that match OTX-4CT0020
9 more OEM and aftermarket numbers cross to the same clamp. Any of them can be ordered as OTX-4CT0020.
| Name | Part Number | Type |
|---|---|---|
| Automann | 561.2420 | Aftermarket |
| Automann | 5612420 | Aftermarket |
| Breeze | CT 9420 | Aftermarket |
| Breeze | CT9420 | Aftermarket |
| Excoh | 4CT0020 | Aftermarket |
| Norma | 0362 0302 033 | Aftermarket |
| Norma | 3620302033 | Aftermarket |
| Norma | 03620302033 | Aftermarket |
| Tectran | HK20 | Aftermarket |
| Velvac | 022420 | Aftermarket |
Ordering OTX-4CT0020
Send us the Tectran HK20 number with the quantity you need and your delivery country. We reply within 24 hours with price and lead time for OTX-4CT0020.
Questions about this number
Is OTX-4CT0020 the same as Tectran HK20?
Yes. OTX-4CT0020 matches Tectran HK20: clamping range 13/16 in to 1-3/4 in (21–44 mm), band width 9/16 in. If the hose has been changed since the old clamp was fitted, measure the hose outside diameter before ordering.
What size is the Tectran HK20 clamp?
Tectran HK20 fits 13/16 in to 1-3/4 in (21–44 mm). The band is 301 Stainless Steel.