SpecificationsCross ReferenceApplicationOverview
Specifications
| Type | Value |
|---|---|
| Nominal Diameter (Ø) (in) | 4.91 |
| Insert Thickness (A) (in) | 0.04 |
| Insert Apex Width (B) (in) | 0.293 |
| Insert Depth (C) (in) | 0.296 |
| Band Thickness (D) (in) | 0.05 |
| Band Width (E) (in) | 0.875 |
Cross References
| Name | Part Number | Type |
|---|---|---|
| Automann | 561.29491 | Aftermarket |
| Automann | 56129491 | Aftermarket |
| Breeze | VT10491 | Aftermarket |
| Detroit Diesel | 5137618 | OEM |
| Detroit Diesel | 23533977 | OEM |
| Detroit Diesel | DDE23533977 | OEM |
| Donaldson | J009647 | Aftermarket |
| Excoh | 4VC0491 | Aftermarket |
| Navistar | 433192891 | OEM |
| Nelson Exhaust | 89507K | Aftermarket |
| Norma | 0365 1681 247 | Aftermarket |
| Norma | 3651681247 | Aftermarket |
| Norma | 03651681247 | Aftermarket |
| R.G. Ray | 10021-1 | Aftermarket |
| R.G. Ray | 100211 | Aftermarket |
| Riker | UV 478 | Aftermarket |
| Riker | UV478 | Aftermarket |
| Shuttleworth | 320008 | Aftermarket |
| Stemco | 250-0902 | Aftermarket |
| Stemco | 2500902 | Aftermarket |
| Walker Exhaust | 35641 | Aftermarket |
Application
| Type | Details |
|---|---|
| Application | Exhaust & Turbo (General Purpose) |
| Clamp Type | V-Band Clamp |
| Compatible With | Detroit Diesel Engine DD13 |
| OEM Makes | Detroit Diesel, Navistar |
| Nominal Diameter | 4.91 in (124.7 mm) |
Product Overview – V-Band Clamp 4.91 in
Replace a worn or stretched exhaust and turbo clamp with the OTX-4VC0491, a V-band clamp with a 4.91 in nominal diameter, and it is compatible with Detroit Diesel Engine DD13.
V-band clamps replace bolted flanges with a single-fastener joint that is faster to install and easier to service while keeping an even seal all the way around.
For fitment checks, note a 0.875 in band width, a 0.04 in insert thickness, an insert depth of 0.296 in; compare these with your original clamp before ordering.
Buyers searching for Detroit Diesel DDE23533977, Detroit Diesel 23533977 can use OTX-4VC0491 as a direct interchange; the full list of 16 matching numbers is shown below.
Tip: tighten evenly to the recommended torque and re-check after the first heat cycle.
Distributors and fleet buyers can request volume pricing on OTX-4VC0491 from OneTouch Exim by email or WhatsApp.
Frequently Asked Questions
Which part numbers does OTX-4VC0491 replace?
OTX-4VC0491 interchanges with Detroit Diesel DDE23533977, Detroit Diesel 23533977, Detroit Diesel 5137618, Navistar 433192891, Automann 561.29491, Breeze VT10491 and more. The cross reference table lists all 21 matching numbers.
What size is the OTX-4VC0491 V-band clamp?
It has a nominal diameter of 4.91 in (124.7 mm).
Manufacturer names and part numbers are used for reference and interchange purposes only. No affiliation with, or endorsement by, these manufacturers is implied.

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