Ultraflex S61 / S62 / S39 Steering Cable Clamp

The Ultraflex S39, S61 and S62 Steering Cable Transom Support Kits secure one compatible mechanical steering cable close to the boat’s transom and allow the support tube to articulate as the steering linkage moves. S39 is an adjustable aluminium and stainless-steel assembly with a 95–110mm stand-off range, S61 is the larger painted-steel model commonly catalogued as high or long, and S62 is the smaller low or short version.

Product Identification

• Brand: Ultraflex
• Models: S39, S61 and S62
• Manufacturer part numbers: 31916F, 36191S and 38830H
• Common UK catalogue codes: 4-S39, 4-S61 and 4-S62
• Product category: Mechanical steering cable transom support
• Alternative descriptions: Steering cable clamp block, articulated transom bracket, swivel cable support or steering cable support kit
• Steering type: Mechanical cable steering
• Primary function: Supports and positions the stationary outer section of one compatible steering cable
• Primary mounting position: At or close to the boat’s transom
• Cable capacity: One compatible mechanical steering cable
• Models covered by this listing: Standard S39, S61 and S62 versions
• Not the same as: S39SS, S61SS or S62SS stainless-steel versions
• Hydraulic steering component: No
• Electrical component: No

What Is a Steering Cable Transom Support Used For?

A steering cable transom support holds the stationary cable support tube or outer cable assembly in the correct position near the transom. This allows the moving output end of the steering cable to operate in a push-pull direction and transfer movement from the steering helm to an outboard tiller arm, rudder arm or other compatible mechanical linkage.

The articulated or ball-jointed mounting arrangement allows the tube to align with the steering linkage as it moves, helping to prevent the cable from being forced sideways through its travel.

These Ultraflex supports can form part of:

• A transom-mounted outboard steering installation
• An installation where the steering cable is not routed through the engine tilt tube
• A replacement for a matching existing Ultraflex clamp block
• A new mechanical steering installation requiring a separate cable support
• An installation where the cable requires articulation close to the transom
• A compatible inboard or rudder steering installation where the mounting geometry has been confirmed

The support does not generate steering movement. It supports the cable while the helm, steering cable and engine or rudder linkage transfer the operator’s steering input.

Which Models Are Available?

Ultraflex S39 Adjustable Steering Cable Support

• Model: S39
• Manufacturer part number: 31916F
• Common UK catalogue code: 4-S39
• Mounting type: Adjustable transom-mounted clamp block
• Construction: Marine aluminium clamp block with stainless-steel stud or shaft
• Support tube: Anodised aluminium
• Articulation: Ball-jointed support
• Tube stand-off from transom: Adjustable from 95–110mm
• Mounting holes: Three
• Fixing-hole diameter: 8.5mm
• Upper horizontal hole centres: 55mm
• Upper-hole centreline to lower-hole centre: 47.5mm
• Separate stainless version: S39SS, part number 41551X
• Separate tube-only version: S39T, part number 53930J

The S39 is the appropriate model where an adjustable tube-to-transom distance is required and the three-hole mounting pattern suits the installation. The 95–110mm range adjusts the position of the tube relative to the transom; it does not make the assembly universally compatible with every steering cable or engine.

Ultraflex S61 High or Long Steering Cable Support

• Model: S61
• Manufacturer part number: 36191S
• Common UK catalogue code: 4-S61
• Mounting type: Articulated transom-mounted clamp block
• Clamp-block material: Corrosion-resistant painted steel
• Support tube: Included; commonly described by UK suppliers as aluminium or alloy
• Articulation: Spherical ball retained between two flanges
• Supplier catalogue description: High or long
• Nominal stand-off: 117mm in several UK catalogues; sometimes rounded to approximately 120mm
• Mounting holes: Four
• Fixing-hole diameter: 8.5mm
• Horizontal hole centres: 60mm
• Vertical hole centres: 35mm
• Separate stainless version: S61SS, part number 41554D

The S61 is the larger of the S61/S62 designs. It should be selected where the high or long bracket geometry, mounting-hole pattern and cable alignment match the boat. Ultraflex does not publish a stand-off adjustment range for this model.

Ultraflex S62 Low or Short Steering Cable Support

• Model: S62
• Manufacturer part number: 38830H
• Common UK catalogue code: 4-S62
• Mounting type: Compact articulated transom-mounted clamp block
• Clamp-block material: Corrosion-resistant painted steel
• Support tube: Included; commonly described by UK suppliers as aluminium or alloy
• Articulation: Spherical ball retained between two flanges
• Manufacturer description: Same basic design as S61, with smaller dimensions
• Supplier catalogue description: Low or short
• Nominal stand-off: Approximately 55mm
• Mounting holes: Four
• Fixing-hole diameter: 8.5mm
• Horizontal hole centres: 57mm
• Vertical hole centres: 34mm
• Separate stainless version: S62SS, part number 41555F

The S62 is intended for installations requiring a smaller or lower support than the S61. Its mounting-hole pattern is also different, so S61 and S62 should not be treated as interchangeable solely because they use the same general ball-and-flange design.

How Do the S39, S61 and S62 Differ?

Ultraflex S39

• Adjustable 95–110mm tube stand-off
• Marine aluminium and stainless-steel clamp-block construction
• Anodised aluminium support tube
• Three-hole triangular mounting pattern
• 55mm upper horizontal hole centres
• 47.5mm vertical mounting dimension
• Threaded shaft used to adjust tube position
• Separate S39T replacement tube listed by Ultraflex

Ultraflex S61

• Larger high or long support
• 117mm nominal supplier-published stand-off
• Painted-steel clamp block
• Four-hole rectangular mounting pattern
• 60mm horizontal by 35mm vertical hole centres
• Ball retained between two flanges
• No manufacturer-published stand-off adjustment range

Ultraflex S62

• Smaller low or short support
• 55mm nominal supplier-published stand-off
• Painted-steel clamp block
• Four-hole rectangular mounting pattern
• 57mm horizontal by 34mm vertical hole centres
• Same general design as S61, with smaller dimensions
• No manufacturer-published stand-off adjustment range

The stand-off dimensions are measured differently from the drilling patterns. Always compare the complete bracket geometry rather than selecting a model from one measurement alone.

Which Steering Cable Support Should Be Selected?

Select S39 when:

• An adjustable 95–110mm tube-to-transom distance is required
• The three-hole triangular mounting pattern matches
• Marine aluminium and stainless-steel clamp construction is required
• The steering-cable nut and support-tube connection match
• There is sufficient clearance for the bracket, cable and engine linkage

Select S61 when:

• A high or long transom support is required
• A nominal 117mm stand-off suits the installation
• The 60mm by 35mm four-hole pattern matches
• The painted-steel ball-and-flange arrangement is suitable
• The cable can remain correctly aligned through its complete stroke

Select S62 when:

• A smaller low or short support is required
• A nominal 55mm stand-off suits the installation
• The 57mm by 34mm four-hole pattern matches
• The installation has less clearance between the cable and transom
• The smaller S62 geometry provides correct linkage alignment

Before ordering, check:

• Existing support model and complete part number
• Steering-cable manufacturer and model
• Steering-cable nut and thread
• Support-tube dimensions
• Required cable stroke
• Cable minimum bend radius
• Existing mounting-hole number and spacing
• Required tube-to-transom distance
• Cable output height
• Distance to the outboard tiller or rudder arm
• Full port and starboard steering movement
• Outboard tilt movement
• Transom and splashwell clearance
• Structural suitability of the mounting surface

What Is Included?

The Ultraflex installation manuals itemise the following model-specific components.

S39 components:

• 1 support tube
• 1 ring nut
• 4 x M6 x 40 screws
• 4 elastic washers
• 4 x M6 nuts
• 1 shaft
• 1 x M16 nut
• 1 mounting bracket
• 2 clamp half-bearings
• 3 x M8 x 60 transom-mounting screws
• 3 washers
• 3 wing nuts

S61 components:

• 1 support tube
• 1 ring nut
• 1 ball
• 2 x M8 x 20 screws
• 2 x M8 nuts
• 2 flanges
• 4 x M8 x 60 transom-mounting screws
• 4 washers
• 4 wing nuts

S62 components:

• 1 support tube
• 1 ring nut
• 1 ball
• 2 x M8 x 20 screws
• 2 x M8 nuts
• 2 flanges
• 4 x M8 x 60 transom-mounting screws
• 4 washers
• 4 wing nuts

Retail packaging can change, so the physical contents should be checked before beginning the installation.

Not included unless expressly stated:

• Mechanical steering cable
• Steering helm
• Steering wheel
• Dashboard bezel
• Outboard tiller arm
• Rudder arm
• Engine steering link arm
• Clevis or cable-end connection kit
• Engine tilt tube
• Hydraulic steering cylinder
• Hydraulic helm pump
• Hydraulic hoses
• Transom reinforcement
• Additional installation-specific brackets
• Additional structural fasteners
• Other steering-system components

Which Steering Cables Are Compatible?

The Ultraflex S39 and S61/S62 installation manuals refer to a compatible steering cable but do not publish a definitive model-by-model compatibility list.

Some UK supplier catalogues associate S61 and S62 with Ultraflex M58 and M66 steering cables. Some also describe compatibility with selected Multiflex or SeaStar mechanical cables. These are supplier compatibility statements and should not be treated as proof of universal interchangeability.

Some supplier listings pair the S39 with an Ultraflex A75 clevis end. The clevis is a separate linkage component and is not included with the S39 support.

Before fitting any cable, confirm:

• Cable manufacturer
• Cable model
• Cable output-end design
• Cable support-tube connection
• Cable nut thread and engagement
• Cable stroke
• Cable minimum bend radius
• Required support angle
• Connection to the engine tiller or rudder arm
• Clearance throughout full steering travel
• Clearance throughout the outboard tilt range

A cable fitting into the support tube does not by itself confirm that the complete steering installation is safe or geometrically correct.

Does the Support Replace an Engine Tilt Tube?

The S39, S61 and S62 can support a steering cable where a separate transom-mounted arrangement is required, including installations where the cable does not pass through an outboard engine tilt tube.

They should not be described as universal replacements for every tilt-tube installation. Correct selection depends on whether the steering system uses:

• Direct engine tilt-tube mounting
• A transom-mounted clamp block
• A splashwell support bracket
• An inboard steering-cable support
• A rudder-linkage support
• Another manufacturer-approved cable mounting arrangement

The selected bracket must provide the correct height, stand-off, articulation and cable travel for the particular boat and engine.

Does the Support Replace a Link Arm or Clevis?

No. The transom support holds the stationary steering-cable tube or outer assembly.

A link arm or clevis performs a different function by connecting the moving output end of the steering cable to the outboard tiller arm, rudder arm or another steering linkage.

A complete installation may therefore require:

• One compatible steering cable support
• One compatible steering cable
• An engine-specific link arm or clevis
• Suitable tiller or rudder connection hardware
• Correct mounting fasteners and structural support

Are the Standard and Stainless-Steel Versions the Same?

No. This listing covers the standard versions:

• S39 / 31916F: Marine aluminium clamp block, stainless-steel stud and anodised aluminium tube
• S61 / 36191S: Corrosion-resistant painted-steel clamp block
• S62 / 38830H: Smaller version of the S61 painted-steel design

Ultraflex separately lists:

• S39SS / 41551X: Marine aluminium clamp block, stainless-steel stud and stainless-steel tube
• S61SS / 41554D: Stainless-steel clamp block
• S62SS / 41555F: Smaller version of the S61SS design
• S39T / 53930J: Anodised aluminium tube only for standard S39
• S39TSS / 72971W: Stainless-steel tube for S39SS

The SS suffix should not be omitted when ordering a stainless-version replacement.

Which Multiflex Products Cross-Reference to S61 and S62?

Published Multiflex data list C1 and C2 together against Ultraflex S61 and S62. However, the source does not assign either Ultraflex model individually to C1 or C2.

The physical bracket height, tube position, hole spacing, cable connection and steering clearances must therefore be checked before treating either model as a direct replacement.

No Ultraflex S39 cross-reference is stated for Multiflex C3. S39 should not be advertised as a C3 equivalent without separate dimensional and fitment confirmation.

What Are the Mounting Dimensions?

Ultraflex S39

• Adjustable tube stand-off: 95–110mm
• Mounting-hole quantity: 3
• Fixing-hole diameter: 8.5mm
• Upper horizontal hole centres: 55mm
• Vertical distance from upper-hole centreline to lower-hole centre: 47.5mm

Ultraflex S61

• Nominal stand-off: 117mm in UK supplier catalogues
• Mounting-hole quantity: 4
• Fixing-hole diameter: 8.5mm
• Horizontal hole centres: 60mm
• Vertical hole centres: 35mm

Ultraflex S62

• Nominal stand-off: 55mm in UK supplier catalogues
• Mounting-hole quantity: 4
• Fixing-hole diameter: 8.5mm
• Horizontal hole centres: 57mm
• Vertical hole centres: 34mm

The manufacturer manuals reviewed do not state a complete overall width, height, tube length or maximum articulation angle for all three standard models. Do not scale a drilling template from a web image; use the current installation document at its specified print scale and verify every dimension before drilling.

Construction and Design

• Ultraflex mechanical steering cable support assemblies
• Models S39, S61 and S62
• Designed to support one compatible mechanical steering cable
• Intended for installation close to the transom
• Articulated support allows cable-tube alignment with the steering linkage
• S39 uses marine aluminium and stainless-steel bracket components
• S39 includes an anodised aluminium tube
• S39 tube stand-off is adjustable from 95–110mm
• S61 uses a corrosion-resistant painted-steel clamp block
• S62 uses the same general design as S61 in smaller dimensions
• S61 and S62 are supplied with support tubes
• S61 and S62 use a ball retained between two mounting flanges
• S39 uses a three-hole mounting pattern
• S61 and S62 use separate four-hole mounting patterns
• No steering cable included
• No steering helm included
• No steering wheel included
• No link arm or clevis included
• No hydraulic components included
• No electrical components
• Maximum engine horsepower not stated for the individual support brackets
• Maximum steering load not stated for the individual support brackets
• Complete installation is governed by the rating of the lowest-rated steering-system component

Installation and Safety

Before installing an Ultraflex S39, S61 or S62:

• Confirm the exact support model and part number
• Verify the steering-cable make and model
• Check that the cable nut threads fully onto the supplied tube
• Confirm that the cable remains integral with the tube
• Compare the mounting-hole pattern with the current installation
• Mount the bracket to a rigid structural section of the transom
• Do not mount it to an unsupported or flexible panel
• Position the steering cable at half stroke when establishing the bracket position
• Connect the cable output to the tiller or rudder linkage before final drilling
• Use the correct Ultraflex drilling template
• Maintain the cable manufacturer’s minimum bend radius
• Avoid forcing the cable sideways
• Avoid sharp cable bends
• Ensure the ball joint or articulated support moves freely
• Confirm full cable travel without binding
• Turn the steering fully from port to starboard
• Check clearance at both steering locks
• For an outboard installation, tilt the engine fully upward and downward
• Repeat the clearance check throughout the complete tilt range
• Confirm that the tube, cable and link arm do not contact the transom or splashwell
• Check that the engine or rudder is not forced against its mechanical stops
• Tighten all fasteners correctly
• Recheck the fasteners after the initial steering test
• Inspect painted-steel parts for coating damage or corrosion
• Inspect aluminium and stainless-steel parts for cracking, deformation or corrosion
• Replace any loose, bent, cracked or excessively corroded component
• Do not operate the boat if the cable or support binds

Marine steering is safety-critical. Installation should be completed by qualified personnel in accordance with the current Ultraflex, steering-cable, engine and boat instructions.

Key Features

• Combined listing for Ultraflex S39, S61 and S62
• Manufacturer part numbers 31916F, 36191S and 38830H
• Designed for mechanical steering cable installations
• Supports the cable close to the transom
• Articulated design accommodates linkage movement
• S39 has an adjustable 95–110mm stand-off
• S39 uses marine aluminium and stainless-steel components
• S39 includes an anodised aluminium tube
• S39 uses three 8.5mm mounting holes
• S61 is the larger high or long painted-steel model
• S61 has 60mm by 35mm mounting-hole centres
• S61 is commonly catalogued with a 117mm nominal stand-off
• S62 is the smaller low or short painted-steel model
• S62 has 57mm by 34mm mounting-hole centres
• S62 is commonly catalogued with a 55mm nominal stand-off
• Support tube included with each model
• Model-specific clamp and mounting fasteners itemised in the installation manuals
• Steering cable supplied separately
• Steering helm supplied separately
• Steering wheel supplied separately
• Link arm or clevis supplied separately
• Standard and SS versions have different part numbers
• Maximum engine horsepower not stated for the individual brackets
• Maximum steering load not stated for the individual brackets
• Exact mounting geometry must be confirmed before ordering