241669 Distributor Cap | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta distributor cap from the Ignition and Control Systems group, weighing 0.151 kg and listed for 25 applications across AQ, BB, B, MD, MB and AQD series engines. Tracking or corrosion inside the cap shows as misfire under load.

🚤 Compatibility

• Engine Family: AQ, BB, B, MD, MB, AQD

Full model list at the end of this description.

⚙️ Key Features

• Distributor cap, 0.151 kg
• Listed for 25 applications across AQ, BB, B, MD, MB and AQD series engines
• Petrol ignition component - one of the highest fitment counts in this group

🔌 Function

Carries the high-tension spark from the coil to the rotor arm and out to each plug lead in turn, so every cylinder fires in the right order at the right moment.

⚠️ Common Signs of Failure

• Misfire under load, or a stumble that clears at steady revs
• Hard starting in damp weather, or an engine that will not start after a wet trip
• Blue or grey tracking lines and carbon paths inside the cap
• Contacts eroded, greened or burnt, with white powder in the cap
• Hairline cracks in the moulding, or a carbon brush worn short in the centre

🛠️ Service Notes

• Renew the rotor arm and check the high-tension leads at the same time - a new cap on tired leads will misfire just the same
• Fit the leads back in the original firing order and make sure the cap is fully seated and clipped down
• Look at why moisture is getting in; ventilation and a dry engine space do more for reliability here than the part itself

🔄 Supersession & Cross Reference

Aftermarket / Verified Equivalents

• Sierra: 18-5393
• Mallory Marine: 9-29404
• GLM: 71450

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta AQ130C, AQ130D, AQ130A, AQ130B
• Volvo Penta AQ170B, AQ170C, AQ170A
• Volvo Penta BB115A, BB115B, BB115C
• Volvo Penta BB170B, BB170C, BB170A
• Volvo Penta MB20A, MB20B, MB20C
• Volvo Penta AQ115A, AQ115B
• Volvo Penta 100S, 110S
• Volvo Penta AQ165A
• Volvo Penta AQD21A
• Volvo Penta B20
• Volvo Penta BB165A
• Volvo Penta MD21A