How to remove and install the Ignition Control Module on the intake manifold for increased cooling on Volvo 740?

To remove the power stages that are located on the intake manifold for more cooling, remove the negative battery cable and the harness from the power stage(s), first. For each power stage being removed, remove the two bolts holding the power stage to the intake manifold and remove the power stage(s). For installation, return the power stage(s) to its position and tighten the retaining bolts, reconnect the harness to the power stage(s) and finally reconnect the negative battery cable.

What steps are involved in removing and installing the ignition control module, power stage, and ignition coil on the REX-1 and EZ129K systems on Volvo 940?

The power stage on the REX-1 and EZ129K systems is combined with the ignition coil into one unit. Starting with the EZ115K and EZ116K systems, you should start by disconnecting the negative battery cable and disconnecting the power stage connector. Next, take the mounting bolt(s) off of the retaining bracket and the ignition coil and power stage should be removed. To install, put the coil and power stage back in place and tighten retaining bolts, plug in power stage connector and reattach negative battery cable.

Genuine Volvo Ignition Control Module

Ignition Spark Control Module

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8 Ignition Control Modules found

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Volvo Ignition Module Part Number: 3545006
$51.17 MSRP: $59.91
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Product Specifications
- Other Name: Diagnostic Unit; Ignition Control Module; Control Module, Ignition Module
Fits the following Volvo Models:
- 940 | 1994-1995 | Base | 4 Cyl 2.3 L GAS
- C70 | 1998-2004 | Base | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S70 | 1998-2000 | AWD, Base, GLT, GLT SE, T5 | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S90 | 1998 | Base | 6 Cyl 2.9 L GAS
- V70 | 1998-2000 | AWD, Base, GLT, GLT SE, R, R AWD, T5, X/C AWD, X/C AWD SE | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- V90 | 1998 | Base | 6 Cyl 2.9 L GAS
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Volvo Power Module Part Number: 31441262
$196.09 MSRP: $255.33
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Product Specifications
- Other Name: Power Unit; Ignition Control Module; Power Module
Fits the following Volvo Models:
- 960 | 1992-1997 | Base | 6 Cyl 2.9 L GAS
- S90 | 1998 | Base | 6 Cyl 2.9 L GAS
- V90 | 1998 | Base | 6 Cyl 2.9 L GAS
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Volvo Ignition Module Part Number: 3501850
$1616.68 MSRP: $2446.55
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Product Specifications
- Other Name: Control Unit; Ignition Control Module; Computer, Control Module, Ignition Module
Fits the following Volvo Models:
- 760 | 1987-1990 | GLE | 6 Cyl 2.8 L GAS
- 780 | 1987-1990 | Base | 6 Cyl 2.8 L GAS
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Volvo Ignition Module Part Number: 3507696
$499.08 MSRP: $594.14
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Product Specifications
- Other Name: Control Module; Ignition Control Module; Ignition Module
Fits the following Volvo Models:
- 740 | 1991-1992 | Base | 4 Cyl 2.3 L GAS
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Volvo Ignition Module Part Number: 1346469
$522.80 MSRP: $622.38
You Save: $99.58 (16%)
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Product Specifications
- Other Name: Control Unit; Ignition Control Module; Computer, Control Module, Ignition Module
Fits the following Volvo Models:
- 740 | 1987-1990 | Base, GLE | 4 Cyl 2.3 L GAS
- 760 | 1985-1990 | Base, GLE | 4 Cyl 2.3 L GAS
- 780 | 1989-1990 | Base | 4 Cyl 2.3 L GAS
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Volvo Ignition Module Part Number: 8601330
$600.63 MSRP: $725.88
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Product Specifications
- Other Name: Control Module; Ignition Control Module; Ignition Module
Fits the following Volvo Models:
- 850 | 1994-1997 | GLT, R, T-5, T-5R, Turbo | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
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Volvo Ignition Module Part Number: 3545007
$24.68 MSRP: $28.90
You Save: $4.22 (15%)
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Product Specifications
- Other Name: Diagnostic Unit; Ignition Control Module; Ignition Module
Fits the following Volvo Models:
- 940 | 1994-1995 | T | 4 Cyl 2.3 L GAS
- 960 | 1994-1997 | Base | 6 Cyl 2.9 L GAS
- S90 | 1998 | Base | 6 Cyl 2.9 L GAS
- V90 | 1998 | Base | 6 Cyl 2.9 L GAS
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Volvo Ignition Module Part Number: 3501921
$188.57 MSRP: $224.49
You Save: $35.92 (16%)
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Product Specifications
- Other Name: Power Unit; Ignition Control Module; Ignition Module
Fits the following Volvo Models:
- 740 | 1985-1986 | GLE | 4 Cyl 2.3 L GAS
- 760 | 1985-1986 | Base, GLE | 4 Cyl 2.3 L GAS

Volvo Ignition Control Module

Volvo Ignition Control Module provides fast and accurate spark timing for all Volvo engines to confidently start and run smoothly. Volvo has carried a reputation for combining Scandinavian simplicity with high safety, anything from introducing the three-point seat belt to perfecting robust braking systems and intuitive dashboards. Clean exterior lines, spacious cabins, and user-friendly controls give Volvo vehicles a calm driving character, and broad research into electric powertrains and plug-in hybrids demonstrates the brand's commitment to efficient mobility. Whether it is cruising city streets or tackling long highway trips, drivers trust Volvo for comfort, durability, and protective technology that puts people first. The Ignition Control Module is located between the ignition switch and the coil, measures tiny electronic pulses, and instantly turns on and off the coil, which transforms low current signals into the high voltage bursts that fire the spark plugs. This solid-state design eliminates mechanical wear, maintains accurate timing, improves combustion efficiency, and reduces fuel consumption and emissions throughout the lineup. Modern versions take data from crank sensors to fine-tune spark events; however, the older layouts connect with distributor pickups. Every Ignition Control Module has the same goal: steady power and reliable starts. If the module fails, coil switching ceases and the engine will not spark, thereby proving how central the Ignition Control Module is to the confidence of daily driving.

Trust OEM Ignition Control Module for quality that holds up. These parts use top-tier materials to keep your ride running smooth. Because they match exact Volvo specs, you get a flawless fit and a hassle-free install every single time. No more fighting with parts that just won't line up. It is easy to search our massive stock of genuine Volvo options at prices you will really like. Every part comes with a real manufacturer's warranty and a simple return policy. Plus, we ship fast to get your order to you. Shop with confidence and give your Volvo the reliability it deserves.

Volvo Ignition Control Module Parts and Q&A

Ignition Module
1346469
Q: How to remove and install the Ignition Control Module on the intake manifold for increased cooling on Volvo 740?
A:
To remove the power stages that are located on the intake manifold for more cooling, remove the negative battery cable and the harness from the power stage(s), first. For each power stage being removed, remove the two bolts holding the power stage to the intake manifold and remove the power stage(s). For installation, return the power stage(s) to its position and tighten the retaining bolts, reconnect the harness to the power stage(s) and finally reconnect the negative battery cable.
Ignition Module
3545006
Q: What steps are involved in removing and installing the ignition control module, power stage, and ignition coil on the REX-1 and EZ129K systems on Volvo 940?
A:
The power stage on the REX-1 and EZ129K systems is combined with the ignition coil into one unit. Starting with the EZ115K and EZ116K systems, you should start by disconnecting the negative battery cable and disconnecting the power stage connector. Next, take the mounting bolt(s) off of the retaining bracket and the ignition coil and power stage should be removed. To install, put the coil and power stage back in place and tighten retaining bolts, plug in power stage connector and reattach negative battery cable.