SpecificationsCross ReferenceApplicationOverview
Specifications
| Type | Value |
|---|---|
| Nominal Diameter (Ø) (in) | 3.21 |
| Insert Thickness (A) (in) | 0.05 |
| Insert Apex Width (B) (in) | 0.262 |
| Insert Depth (C) (in) | 0.141 |
| Band Thickness (D) (in) | 0.035 |
| Band Width (E) (in) | 0.75 |
Cross References
| Name | Part Number | Type |
|---|---|---|
| Automann | 561.29321-B | Aftermarket |
| Automann | 56129321B | Aftermarket |
| Blue Bird | 1334226 | OEM |
| Breeze | VT10321 | Aftermarket |
| Cummins | 3903652 | OEM |
| Cummins | 5331783 | OEM |
| Donaldson | J009618 | Aftermarket |
| Excoh | 4VC0321 | Aftermarket |
| Fleetguard | 89571K | Aftermarket |
| Ford | F3H25A281A | OEM |
| Freightliner | 680 492 00 40 | OEM |
| Freightliner | 6804920040 | OEM |
| Grand Rock | VB321C | Aftermarket |
| Norma | 0365 0431 082 | Aftermarket |
| Norma | 3650431082 | Aftermarket |
| Norma | 03650431082 | Aftermarket |
| Oshkosh | RE37055-RE40 | OEM |
| Oshkosh | RE37055RE40 | OEM |
| Power Products | VBC275C | Aftermarket |
| R.G. Ray | 10301-1 | Aftermarket |
| R.G. Ray | 103011 | Aftermarket |
| Shuttleworth | 320038 | Aftermarket |
| Stemco | 250-0020 | Aftermarket |
| Stemco | 2500020 | Aftermarket |
| Walker Exhaust | 21275 | Aftermarket |
| Walker Exhaust | 35636 | Aftermarket |
Application
| Type | Details |
|---|---|
| Application | Exhaust & Turbo (General Purpose) |
| Clamp Type | V-Band Clamp |
| Compatible With | 6BT5.9L, 6BTA5.9L |
| OEM Makes | Blue Bird, Cummins, Ford, Freightliner, Oshkosh |
| Nominal Diameter | 3.21 in (81.5 mm) |
Product Overview – V-Band Clamp 3.21 in
Sized at 3.21 in (81.5 mm), the OTX-4VC0321 is a V-band clamp that seals exhaust and turbo flanges on Class 6–8 trucks and diesel equipment, and it is compatible with 6BT5.9L, 6BTA5.9L.
Its V-shaped retainer draws two mating flanges together evenly, giving a compact, vibration-resistant connection for exhaust and turbo plumbing.
Measured dimensions: a 0.75 in band width, a 0.05 in insert thickness, an insert depth of 0.141 in; compare these with your original clamp before ordering.
It cross-references to 6 OEM part numbers, including Blue Bird 1334226, Cummins 3903652, Cummins 5331783, and 14 aftermarket numbers, so you can match the exact clamp you are replacing.
Tip: tighten evenly to the recommended torque and re-check after the first heat cycle.
OneTouch Exim supplies the OTX-4VC0321 for fleet, workshop and distributor orders worldwide. Send us your part number for pricing and availability.
Frequently Asked Questions
Which part numbers does OTX-4VC0321 replace?
OTX-4VC0321 interchanges with Blue Bird 1334226, Cummins 3903652, Cummins 5331783, Ford F3H25A281A, Freightliner 6804920040, Oshkosh RE37055-RE40 and more. The cross reference table lists all 26 matching numbers.
What size is the OTX-4VC0321 V-band clamp?
It has a nominal diameter of 3.21 in (81.5 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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