Essential details
Quantity(pieces):5000
MOQ:1000
G.W:0.4 kg
Lead time:10 days
Size:L(25)*W(20)*H(3) cm
N.W:0.35 kg
Shipping:Express
Specification Number:13768626-PP10001485
Package Description:OPP
Product Introduction
Proper usage part Item No:13768626-PP10001485
Size of blind rod: 19.4(length)x1.3(narrow D)x2.0(wider D)mm. net weight: 59mg/pcs.
Packing size: 25x20x3cm (L*W.H), 5000pcs / pack.
Size of blind rod: 19.4(length)x1.3(narrow D)x2.0(wider D)mm. net weight: 59mg/pcs.
Packing size: 25x20x3cm (L*W.H), 5000pcs / pack.
Beige Blind Plugging Rod ECU Series Waterproof Sealing Plug Plastic Plug for Automotive Connectors.
Material: PA66 High-temperature resistance, chemical resistance, long term stability.
Protection against Water immersion: PI67.
Testing Certificate: ROHS
Material: PA66 High-temperature resistance, chemical resistance, long term stability.
Protection against Water immersion: PI67.
Testing Certificate: ROHS
Q1: What is an ECU/ auto wire connector blind plug?
A: An ECU blind plug is a specialized sealing component designed to securely and permanently seal unused ports or connector cavities in an Automotive Engine Control Unit (ECU) or other electronic control modules. Its primary function is to prevent the ingress of moisture, dust, chemicals, and other contaminants that could cause short circuits, corrosion, and ultimately, ECU failure.
Q2: Why is sealing an ECU so critical?
A: ECUs are the brains of modern vehicles, managing essential functions like engine performance, fuel injection, and emissions. They are often located in harsh under-hood environments. Any contamination inside the ECU can lead to:
• Electrical Short Circuits: Causing immediate failure.
• Corrosion: Leading to intermittent faults or gradual failure over time.
• Signal Interference: Disrupting critical data communication.
A proper seal ensures long-term reliability and prevents costly warranty returns or repairs.
Q3: What materials are your ECU blind plugs made from?
A: Our plugs are typically manufactured from high-performance, environmentally resistant materials such as:
• Silicone Rubber/PT66: Excellent high/low-temperature flexibility and sealing.
• Fluoroelastomer (FKM/Viton)/TPE: Superior resistance to fuels, oils, and chemicals.
• EPDM Rubber/PBT: Good resistance to hot water and steam.
These materials are chosen to withstand under-hood temperatures, fluids, and ozone exposure.
Q4: How does the blind plug create a reliable seal?
A: Our plugs are engineered with a precise interference fit. They feature a sealing rim or lip that compresses against the wall of the ECU housing port when inserted. This compression creates a continuous, water-tight, and air-tight barrier that is both vibration-proof and resistant to pressure changes.
Q5: How do I select the right size blind plug for my ECU port?
A: Selection is based on the diameter of the unused port in the ECU housing.
1. Measure: Precisely measure the inner diameter (ID) of the port you need to seal.
2. Match: Choose a blind plug designed for that specific diameter. Our product listings include a detailed size chart. Using the wrong size will compromise the seal.
3. Consider Material: Select the material (e.g., Silicone, FKM) based on the operating environment and potential chemical exposure.
Q6: How do I install a blind plug?
A: Installation is simple and tool-free:
1. Clean: Ensure the port in the ECU housing is clean, dry, and free of oil, debris, or old sealant.
2. Align: Place the plug squarely over the opening.
3. Press: Apply firm, even pressure by hand or with a soft-faced mallet until the plug is fully seated and flush with or slightly below the housing surface. You should feel and hear a "click" or a firm stop.
Q7: Can the blind plug be removed after installation?
A: It is designed to be a permanent, one-time-use seal. Removal is extremely difficult and not recommended, as it can damage the plug, the ECU housing port, and compromise the seal's integrity. If removal is absolutely necessary, it may need to be carefully drilled out or extracted with pliers, and the port must be thoroughly cleaned before installing a new plug.
Q8: Are your ECU sealing plugs resistant to automotive fluids?
A:Absolutely. Our plugs, especially those made from FKM/Viton, are specifically tested and certified to resist degradation from exposure to engine oil, transmission fluid, brake fluid, coolant, fuel, and common cleaning solvents.
Q9: What temperature range can these plugs withstand?
A: Depending on the material, our plugs can perform reliably in a wide temperature range, typically from -40°C (-40°F) to +150°C (+302°F) or higher. This ensures performance in both extreme cold starts and high under-hood heat.
Q10: Do your products meet automotive industry standards?
A: Yes. Our manufacturing process and materials comply with stringent international automotive quality standards, including IATF 16949 and ISO 9001. They are also tested to meet performance specification.
A: An ECU blind plug is a specialized sealing component designed to securely and permanently seal unused ports or connector cavities in an Automotive Engine Control Unit (ECU) or other electronic control modules. Its primary function is to prevent the ingress of moisture, dust, chemicals, and other contaminants that could cause short circuits, corrosion, and ultimately, ECU failure.
Q2: Why is sealing an ECU so critical?
A: ECUs are the brains of modern vehicles, managing essential functions like engine performance, fuel injection, and emissions. They are often located in harsh under-hood environments. Any contamination inside the ECU can lead to:
• Electrical Short Circuits: Causing immediate failure.
• Corrosion: Leading to intermittent faults or gradual failure over time.
• Signal Interference: Disrupting critical data communication.
A proper seal ensures long-term reliability and prevents costly warranty returns or repairs.
Q3: What materials are your ECU blind plugs made from?
A: Our plugs are typically manufactured from high-performance, environmentally resistant materials such as:
• Silicone Rubber/PT66: Excellent high/low-temperature flexibility and sealing.
• Fluoroelastomer (FKM/Viton)/TPE: Superior resistance to fuels, oils, and chemicals.
• EPDM Rubber/PBT: Good resistance to hot water and steam.
These materials are chosen to withstand under-hood temperatures, fluids, and ozone exposure.
Q4: How does the blind plug create a reliable seal?
A: Our plugs are engineered with a precise interference fit. They feature a sealing rim or lip that compresses against the wall of the ECU housing port when inserted. This compression creates a continuous, water-tight, and air-tight barrier that is both vibration-proof and resistant to pressure changes.
Q5: How do I select the right size blind plug for my ECU port?
A: Selection is based on the diameter of the unused port in the ECU housing.
1. Measure: Precisely measure the inner diameter (ID) of the port you need to seal.
2. Match: Choose a blind plug designed for that specific diameter. Our product listings include a detailed size chart. Using the wrong size will compromise the seal.
3. Consider Material: Select the material (e.g., Silicone, FKM) based on the operating environment and potential chemical exposure.
Q6: How do I install a blind plug?
A: Installation is simple and tool-free:
1. Clean: Ensure the port in the ECU housing is clean, dry, and free of oil, debris, or old sealant.
2. Align: Place the plug squarely over the opening.
3. Press: Apply firm, even pressure by hand or with a soft-faced mallet until the plug is fully seated and flush with or slightly below the housing surface. You should feel and hear a "click" or a firm stop.
Q7: Can the blind plug be removed after installation?
A: It is designed to be a permanent, one-time-use seal. Removal is extremely difficult and not recommended, as it can damage the plug, the ECU housing port, and compromise the seal's integrity. If removal is absolutely necessary, it may need to be carefully drilled out or extracted with pliers, and the port must be thoroughly cleaned before installing a new plug.
Q8: Are your ECU sealing plugs resistant to automotive fluids?
A:Absolutely. Our plugs, especially those made from FKM/Viton, are specifically tested and certified to resist degradation from exposure to engine oil, transmission fluid, brake fluid, coolant, fuel, and common cleaning solvents.
Q9: What temperature range can these plugs withstand?
A: Depending on the material, our plugs can perform reliably in a wide temperature range, typically from -40°C (-40°F) to +150°C (+302°F) or higher. This ensures performance in both extreme cold starts and high under-hood heat.
Q10: Do your products meet automotive industry standards?
A: Yes. Our manufacturing process and materials comply with stringent international automotive quality standards, including IATF 16949 and ISO 9001. They are also tested to meet performance specification.