9 Best Transducers for Humminbird HELIX 5 (October 2026)

The best Humminbird HELIX 5 transducers include the folosem 410150-1 1840201 MKR-15 Transducer Mounting Kit for flexible trolling motor mounting, the Humminbird 740087-1 AD XTM for moving an XNT transducer to a trolling motor, and the Humminbird 710198-1 XNT 9 20 T for standard HELIX transom sonar.

On this page (6 sections)

1. Best Humminbird HELIX 5 transducers by setup
2. How do I match a HELIX 5 transducer to my sonar version?
3. Which mounting location should you choose?
4. Is an ice transducer different from a boat transducer?
5. What should you check before buying?
6. Which HELIX 5 transducer should you pick?

The best Humminbird HELIX 5 transducer depends on your unit’s sonar version and where you can mount it. For a transom replacement, the XNT 9 20 T is a candidate for compatible units; for a trolling motor, choose a compatible XTM transducer or adapter.

HELIX 5 names cover several sonar configurations, so a replacement must match the unit’s capabilities. A transducer that provides basic 2D sonar may not replace a Down Imaging or Side Imaging transducer.

Start by identifying the exact HELIX 5 model and generation. This guide to Humminbird HELIX 5 sonar types helps distinguish standard sonar, CHIRP, Down Imaging and other versions.

Our picks at a glance

1. 1
   Best for flexible trolling motor mounting

   folosem 410150-1 1840201 MKR-15 Transducer Mounting Kit

   9.7/10 our score

   See it on Amazon
2. 2
   Best for moving an XNT transducer to a trolling motor

   Humminbird 740087-1 AD XTM

   9.6/10 our score

   See it on Amazon
3. 3
   Best for standard HELIX transom sonar

   Humminbird 710198-1 XNT 9 20 T

   9.3/10 our score

   See it on Amazon

4. 4

   VHBW 10FT Transducer Extension Cable Compatible

   Best for adding cable reach
   Check it
5. 5

   Humminbird ICE Transducer with Dual Spectrum CHIRP

   Best for CHIRP ice fishing
   Check it
6. 6

   Humminbird ICE Transducer with Dual Beam Sonar

   Best for non-CHIRP ice fishing
   Check it
7. 7

   Humminbird Transom Transducer with Single/Dual Beam Sonar

   Best for compatible PiranhaMAX units
   Check it
8. 8

   Humminbird Trolling Motor Temperature Transducer for Helix

   Best for CHIRP 2D from a trolling motor
   Check it
9. 9

   Humminbird In-Hull Temperature Transducer for HELIX

   Best for single-layer fiberglass hulls
   Check it

Best Humminbird HELIX 5 transducers by setup

The XNT 9 20 T is the clearest transom option here for compatible standard sonar, while the XTM 9 HW T targets trolling motor CHIRP 2D setups. The remaining picks address cable routing, ice fishing, alternate mounts and models outside the HELIX fit.

Our score weighs the stated features and compatibility against what a HELIX 5 transducer shopper needs. We checked the model fit and mounting style provided for each item, but confirm your head unit and connector before ordering.

1

folosem 410150-1 1840201 MKR-15 Transducer Mounting Kit: Best for flexible trolling motor mounting

9.7/10Our score

• Fits several Minn Kota shaft diameters
• Works with transom-mount transducers from major brands
• Corrosion-resistant aluminum body and stainless steel hardware

This kit is for mounting a compatible transom-style transducer to a Minn Kota trolling motor. Match your motor and transducer before choosing it.

See it on Amazon

Pros

• Fits several stated shaft diameters
• Supports multiple major transducer brands
• No drilling required

Cons

• Not a transducer or sonar upgrade
• Compatibility depends on motor and transducer fit

The folosem kit is a mounting solution rather than a sonar transducer. It attaches a compatible transom-mount transducer to the lower unit of a Minn Kota bow-mount or transom-mount trolling motor.

Its stated fit covers shaft diameters of 3-1/4, 3-5/8, 4 and 4-1/2 inches. The aluminum body and stainless steel hardware are intended for marine use, and installation does not require drilling or permanent modification.

This can help if you already have the right HELIX transducer and need a way to hold it on a compatible Minn Kota motor. For other motor and transducer combinations, check the mounting instructions and dimensions before using this kit.

2

Humminbird 740087-1 AD XTM: Best for moving an XNT transducer to a trolling motor

9.6/10Our score

• Trolling motor adapter for XNT transducers
• Compatible with several listed XNT and XM models
• 1-year limited warranty

Use this adapter when the transducer you already have is one of the compatible XNT or XM models. Confirm the model number before mounting.

See it on Amazon

Pros

• Made for listed XNT and XM transducers
• Supports a trolling motor installation

Cons

• Adapter only, transducer sold separately
• Compatibility is model-specific

The Humminbird AD XTM 9 is a trolling motor adapter for specific XNT and XM transducers. Its compatibility list includes the XNT 9 20 T and several other XNT models, so it can be useful when you want to move an existing compatible transducer off a transom mount.

It is not a replacement sonar element by itself. Confirm your transducer’s model number against the compatible list, then plan the cable path so it stays clear as the motor turns.

For mounting options and placement details, see our best Humminbird HELIX 5 transducer mount guide. If your cable needs extra reach after moving the transducer, the VHBW extension below may help when its connector fits.

3

Humminbird 710198-1 XNT 9 20 T: Best for standard HELIX transom sonar

9.3/10Our score

• Transom-mount single/dual beam transducer
• Built-in temperature sensor
• 20 ft cable

This is a transom replacement option for compatible HELIX units that use single/dual beam sonar. It includes temperature sensing and mounting hardware.

See it on Amazon

Pros

• Broad listed HELIX compatibility with an exception
• Built-in temperature sensor
• Mounting hardware included

Cons

• Not compatible with non-CHIRP DI models
• Match the original sonar type and connector

The XNT 9 20 T is the leading transom replacement candidate for compatible standard-sonar HELIX models. It provides single/dual beam sonar, has a built-in temperature sensor and includes a 20 ft cable with mounting hardware.

Humminbird lists compatibility with all HELIX series except non-CHIRP DI models. That exception matters: this transducer should not be treated as a universal replacement for a Down Imaging unit or as a way to restore imaging that the transducer does not provide.

Compare the original transducer number and your HELIX 5 model before choosing it. If your current unit is a CHIRP, DI or GPS variant, our HELIX 5 update guide can help with the software side after you have confirmed the hardware match.

4

VHBW 10FT Transducer Extension Cable Compatible: Best for adding cable reach

9.1/10Our score

• Adds 10 ft of cable reach
• For listed HELIX series and other Humminbird units
• Not for APEX, SOLIX, ONIX or ION

An extension can help route a compatible transducer cable around installation obstacles. Check your unit series and connector before adding length.

See it on Amazon

Pros

• Adds 10 ft of reach
• Waterproof design
• Broad stated HELIX series compatibility

Cons

• Does not replace a transducer
• Not compatible with several Humminbird series

The VHBW extension adds 10 ft of cable reach when the original transducer cable is too short for your planned route. It is listed for HELIX 5 and other HELIX series, plus several other Humminbird lines.

An extension does not change the transducer’s sonar capability or correct a model mismatch. Check the plug at both ends and route the cable away from sources of interference or pinch points.

For a trolling motor installation, keep enough slack for steering movement and secure the cable along the shaft. Our guide to transducer cable clips for trolling motors covers ways to manage that run.

5

Humminbird ICE Transducer with Dual Spectrum CHIRP: Best for CHIRP ice fishing

8.8/10Our score

• Dual Spectrum CHIRP for ice fishing
• 15-degree or 21-degree beam choice
• 8 ft cable and float

This ice transducer suits compatible HELIX CHIRP units when you need an ice-hole setup. It provides a choice between a narrower detail beam and wider coverage.

See it on Amazon

Pros

• Dual Spectrum CHIRP
• Two selectable beam angles
• Float and 8 ft cable included

Cons

• Not for every HELIX CHIRP model
• No temperature sensor

The XI 9 1521 is the CHIRP ice-fishing pick for compatible HELIX CHIRP units running Ice Fishing mode. Its 15-degree and 21-degree beam choices let you select narrower detail or broader coverage, and the included float positions it in an ice hole.

It has an 8 ft cable and does not include a temperature sensor. Compatibility excludes some HELIX 12 CHIRP models, so check the full model designation rather than relying on the HELIX family name alone.

CHIRP sends a range of frequencies to build sonar returns; our plain-language explainer on how CHIRP sonar works explains the basics. Read what CHIRP sonar is if you are still sorting out whether your HELIX 5 has CHIRP.

6

Humminbird ICE Transducer with Dual Beam Sonar: Best for non-CHIRP ice fishing

8.7/10Our score

• 20-degree and 60-degree beams
• 8 ft cable and float
• 2D sonar only

Choose this for compatible non-CHIRP HELIX models in Ice Fishing mode. Its two beam angles offer a choice between detail and broader coverage.

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Pros

• Two beam widths
• Float and 8 ft cable included
• Made for ice fishing

Cons

• Not compatible with DI models
• No temperature sensor

The XI 9 20 is designed for ice fishing with compatible non-CHIRP HELIX units. Its 20-degree and 60-degree beams give you a narrower view for detail or a wider view for coverage.

It includes an 8 ft cable and float, but supplies 2D sonar only and has no temperature sensor. The compatibility notes exclude DI models, so it is not a general replacement for a HELIX 5 DI transducer.

This is the more relevant ice option when your unit is non-CHIRP and the model fit checks out. Use the model number on the display and the existing transducer to confirm before you plan an ice setup.

7

Humminbird Transom Transducer with Single/Dual Beam Sonar: Best for compatible PiranhaMAX units

8.6/10Our score

• Transom mount
• 455/200 kHz single/dual beam sonar
• Built-in temperature sensor and 20 ft cable

This transducer is aimed at compatible PiranhaMAX models, including several named units. Do not assume it replaces a HELIX transducer just because both use Humminbird connectors.

See it on Amazon

Pros

• Temperature sensor built in
• 20 ft cable and mounting hardware included
• Impact release feature

Cons

• Compatibility focuses on PiranhaMAX models
• Confirm exact head unit fit

The XNT 9 28 T is a transom transducer aimed at compatible PiranhaMAX models, including named 4-series and select legacy units. It has single/dual beam sonar, a built-in temperature sensor, a 20 ft cable and an impact-release feature.

Its stated fit does not guarantee compatibility with a HELIX 5. Treat it as a possibility only if Humminbird confirms that the exact head unit and connector match; otherwise, use a HELIX-compatible transducer.

This distinction is useful when replacing equipment across the same brand. Shared branding does not mean every transducer works with every display.

8

Humminbird Trolling Motor Temperature Transducer for Helix: Best for CHIRP 2D from a trolling motor

8.4/10Our score

• Dual Spectrum CHIRP 2D sonar
• Trolling motor mount
• Built-in temperature sensor and 15 ft cable

This transducer provides a trolling-motor-mounted source for CHIRP 2D sonar and temperature. On DI or SI units, it serves as a 2D sonar source only.

See it on Amazon

Pros

• Made for a trolling motor installation
• Built-in temperature sensor
• 15 ft cable

Cons

• 2D sonar only
• Compatibility is limited to listed HELIX models

The XTM 9 HW T is a trolling motor transducer for Dual Spectrum CHIRP 2D sonar. It includes a built-in temperature sensor and a 15 ft cable, and is listed for a range of GPS-equipped HELIX G2, G3 and G4 models.

It can also serve as a 2D sonar source alongside Side Imaging or Down Imaging units, but it does not replace those imaging views. Verify your specific HELIX 5 generation and model, because the compatibility note does not cover every HELIX 5 configuration.

Use it when you need CHIRP 2D sonar from the trolling motor and your unit matches the supported models. If you use a portable setup, this HELIX 5 portable guide outlines other setup decisions.

9

Humminbird In-Hull Temperature Transducer for HELIX: Best for single-layer fiberglass hulls

7.8/10Our score

• In-hull installation for single-layer fiberglass
• Dual Spectrum CHIRP 2D sonar
• Built-in temperature sensor and 15 ft cable

This option places the transducer inside a single-layer fiberglass hull and supplies 2D sonar. Check hull construction and HELIX model compatibility before choosing it.

See it on Amazon

Pros

• Avoids an external transducer mount
• Built-in temperature sensor
• 15 ft cable

Cons

• For single-layer fiberglass hulls
• 2D sonar only

The XP 9 HW T places the transducer inside a single-layer fiberglass hull and provides Dual Spectrum CHIRP 2D sonar. It includes temperature sensing and a 15 ft cable, and is listed for a range of GPS-equipped HELIX G2, G3 and G4 models.

In-hull placement can avoid putting a transducer on the transom, but the fit depends on hull construction. This model provides 2D sonar only, so it does not replace a Side Imaging or Down Imaging transducer.

Confirm both the hull type and the exact HELIX 5 model before choosing it. If either is uncertain, check the installation requirements with Humminbird or a qualified marine installer.

How do I match a HELIX 5 transducer to my sonar version?

Match the replacement transducer to the original sonar type first, then check model generation and connector. The HELIX 5 label alone does not tell you whether the unit uses standard sonar, CHIRP, Down Imaging or another configuration.

A standard single/dual beam unit may accept the XNT 9 20 T, subject to its compatibility exception for non-CHIRP DI models. A CHIRP 2D unit may use an XTM 9 HW T or XP 9 HW T when the model is listed as compatible.

Down Imaging and Side Imaging units need a compatible imaging transducer to keep those views. The XTM and XP CHIRP transducers described here provide 2D sonar only, even when paired with an imaging capable display.

Write down the full model name and the number printed on the old transducer. If you have a different screen size, compare Humminbird HELIX 7 transducers.

If you are unsure how the sonar names differ, the guide to which Humminbird HELIX 5 sonar type you need is a useful starting point.

Which mounting location should you choose?

Choose a transom mount for a fixed rear installation, a trolling motor mount for sonar near the bow, or an in-hull transducer when the hull material and unit fit allow it. The right location depends on boat layout, cable routing and the sonar source you want.

A transom transducer sits outside the hull, while a trolling motor model moves with the motor. For the display bracket, see Humminbird HELIX 5 mounts.

Keep cables clear of moving parts, and use suitable clips or mounting hardware to prevent snagging.

An in-hull setup avoids an external mount, but the XP 9 HW T is specified for single-layer fiberglass. Hull type and installation quality matter, so consult the installation instructions before bonding anything inside the hull.

For a portable unit, the display and power setup affect where the transducer can sit. Our portable HELIX 5 setup guide explains the tradeoffs for moving the unit between boats or fishing spots.

Is an ice transducer different from a boat transducer?

Yes. The ice models here include a float and an 8 ft cable for positioning in an ice hole, while the transom and trolling motor choices are designed for fixed boat mounting.

Choose the XI 9 1521 for a compatible CHIRP unit, with 15-degree and 21-degree beams. Choose the XI 9 20 for compatible non-CHIRP models, with 20-degree and 60-degree beams.

Neither ice transducer includes temperature sensing. Check Ice Fishing mode and model compatibility before taking one on the ice, especially if your HELIX has Down Imaging.

What should you check before buying?

Confirm the full display model, sonar type and original transducer part number before ordering. These details help prevent replacing a working transducer with one that fits physically but cannot provide the views your unit uses.

Next, decide where the transducer will mount and whether cable length reaches the display without tension. A 10 ft extension can help routing, but it must match your unit’s connector and series.

Finally, check whether temperature sensing matters to you and whether your planned installation needs an adapter. The AD XTM 9 is for specified XNT and XM transducers, while the folosem kit is designed around compatible transom-style transducers and Minn Kota trolling motors.

Which HELIX 5 transducer should you pick?

Choose the XNT 9 20 T for a compatible standard sonar transom replacement, the XTM 9 HW T for listed CHIRP 2D trolling motor setups, or the XP 9 HW T for a suitable single-layer fiberglass hull. For ice, select the XI model that matches CHIRP capability.

If the transducer already matches but the mount or cable is the problem, consider the AD XTM 9 or a compatible extension. Confirm the exact model and connector before buying, then use the appropriate Humminbird HELIX 5 transducer mount guide for installation planning.

Our top 3 picks at a glance

1. 1
   Best for flexible trolling motor mounting

   folosem 410150-1 1840201 MKR-15 Transducer Mounting Kit

   9.7/10 our score

   See it on Amazon
2. 2
   Best for moving an XNT transducer to a trolling motor

   Humminbird 740087-1 AD XTM

   9.6/10 our score

   See it on Amazon
3. 3
   Best for standard HELIX transom sonar

   Humminbird 710198-1 XNT 9 20 T

   9.3/10 our score

   See it on Amazon

Frequently asked questions

Which transducer fits a Humminbird HELIX 5?

It depends on the HELIX 5 sonar version and generation. The XNT 9 20 T is listed for HELIX models except non-CHIRP DI units, while the XTM 9 HW T is for listed GPS-equipped G2, G3 and G4 models.

Check the model label and original transducer number before ordering.

Can I use a HELIX 5 Down Imaging transducer as a replacement?

Only if the replacement supports the same sonar type and your exact HELIX 5 model. A standard single/dual beam transducer such as the XNT 9 20 T is not listed for non-CHIRP DI models.

Match the model number and connector, and preserve the imaging capability your unit uses.

Can a trolling motor mount work with an XNT transducer?

Yes, the Humminbird AD XTM 9 is an adapter for several named XNT and XM transducer models on a trolling motor. Confirm that your transducer model is among the compatible types before mounting it.

A separate mounting kit may fit other transducers or motors.

What HELIX transducer works for ice fishing?

For a compatible CHIRP HELIX unit, the XI 9 1521 provides Dual Spectrum CHIRP and two selectable beam angles. The XI 9 20 is for compatible non-CHIRP units and uses 20-degree and 60-degree beams.

Both include an 8 ft cable and float, and neither has a temperature sensor.

Can I install an in-hull HELIX transducer?

The XP 9 HW T is designed for installation inside a single-layer fiberglass hull and provides 2D CHIRP sonar. It also includes temperature sensing and a 15 ft cable.

Check your hull construction and unit compatibility first, since this style is not presented as a fit for every hull.