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Marine Diagnostic Tools Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine (JDCOBD4)
Marine Diagnostic Tools Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine (JDCOBD4), view 2Marine Diagnostic Tools Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine (JDCOBD4), view 3
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Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine (JDCOBD4)

$85

In stock at marinediagnostictools.com

The Cojali JDCOBD4 is a CAN 120 ohm resistor adapter for Jaltest diagnostics, needed on some diesel applications to communicate properly. The seller notes it is only required with the blue V8 box, not the black V9. At $85, it is a 4 inch adapter.

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Price and stock from marinediagnostictools.com, refreshed daily. We may earn a commission if you buy.

Highlights

  • CAN 120 ohm termination
  • For diesel applications needing a resistor
  • V8 (blue) box only
  • 4 inch length

Best for

Jaltest V8 users who hit CAN communication issues on diesels.

Things to consider

  • Not needed with the V9 box.
  • Engine list not provided.
  • Pricey for a small adapter.

Key specs

Price$85
ManufacturerCojali
Part numberJDCOBD4
UPC735520731713
Length4 in

Our take

Only buy it if you run a V8 and need CAN termination.

Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine… at a glance

BrandMarine Diagnostic Tools
Price$85
TypeCables
AvailabilityIn stock at marinediagnostictools.com
ReturnsMaster and Gas Pro kits can be refunded within 30 days of delivery after tech support…

Price check

At $85, the Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine… is one of Marine Diagnostic Tools's more affordable items, whose 162 listed products run $1 to $5,600.

Similar items from other brands we track run $19.99 to $33.89.

Buying from Marine Diagnostic Tools

Marine Diagnostic Tools is built for independent marine techs, boatyards, and fleet shops that want dealer-level diagnostics across many engine brands without buying each OEM tool. A boat owner with one engine brand may be better served by a single-brand MINI Scan Tool, or by a dealer visit. Before buying a full kit, call sales to confirm the total price, which cables you'll need, and the training required to qualify for the money-back guarantee.

Shipping
Most orders process the same day or within 3 business days, with orders placed after 11 a.m. processed the next business day. Shipping charges are calculated at checkout, and tracking is emailed when the order ships.
Returns
Master and Gas Pro kits can be refunded within 30 days of delivery after tech support troubleshooting and training enrollment. MINI kits can be returned within 30 days minus a 20% restocking fee; software, renewals, used kits, and customer-caused damage are not refundable.

Read our full Marine Diagnostic Tools review and shop all products →

Frequently asked questions

Do V9 users need this?
No. The seller says it is only needed with the blue V8 box.
What does it do?
Adds a 120 ohm CAN resistor some diesel systems need to communicate.
How much is the Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine…?
Marine Diagnostic Tools lists it at $85 on marinediagnostictools.com. We refresh prices throughout the day, but always confirm the final price at checkout.
What is Marine Diagnostic Tools's return policy?
Master and Gas Pro kits can be refunded within 30 days of delivery after tech support troubleshooting and training enrollment. MINI kits can be returned within 30 days minus a 20% restocking fee; software, renewals, used kits, and customer-caused damage are not refundable.
How long does Marine Diagnostic Tools take to ship?
Most orders process the same day or within 3 business days, with orders placed after 11 a.m. processed the next business day. Shipping charges are calculated at checkout, and tracking is emailed when the order ships.
Where can I buy the Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine…?
The Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine… is sold directly by Marine Diagnostic Tools on marinediagnostictools.com. The Shop now button on this page goes straight to the product there.
Is the Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine… in stock?
Yes. Marine Diagnostic Tools lists it as in stock on marinediagnostictools.com as of our latest check. Stock and prices refresh throughout the day.
Is Marine Diagnostic Tools a legit store?
Marine Diagnostic Tools is built for independent marine techs, boatyards, and fleet shops that want dealer-level diagnostics across many engine brands without buying each OEM tool. A boat owner with one engine brand may be better served by a single-brand MINI Scan Tool, or by a dealer visit. Before buying a full kit, call sales to confirm the total price, which cables you'll need, and the training required to qualify for the money-back guarantee. Our full Marine Diagnostic Tools review covers shipping, returns and what to check before ordering.
Is the Cojali CAN 120 Ohm Resistor Adapter for Jaltest Marine… expensive?
At $85 it is on the affordable end of Marine Diagnostic Tools's range ($1 to $5,600 across 162 products), and similar items from other brands run $19.99 to $33.89.

More from Marine Diagnostic Tools

Shop all Marine Diagnostic Tools →

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