🛢 Combu 42030-10 O-Ring – 10-Pack for 1" Oil Filters (70101-100 & 70101-300)
Part Number: 42030-10
Type: Replacement O-Ring – 10-Pack
🧭 Product Overview
The Combu 42030-10 is a durable, high-quality 10-pack of replacement O-rings designed for use with Combu 1" primary oil filters. These O-rings provide a reliable, leak-proof seal between the filter cup and cover, preventing vacuum leaks and ensuring proper operation of your oil system.
Compatible with both Combu 40130 (300 Micron) and 40140 (100 Micron) filters, as well as equivalent PowerFlame O-rings 985970 and 985417, this 10-pack ensures you always have a replacement O-ring on hand for routine maintenance.
✅ Key Features
🔹 10-Pack O-Rings – ensures you have spares for multiple filter changes
🔹 Compatible with Combu 40130 & 40140 – fits 1" 300 Micron and 100 Micron oil filters
🔹 Positive seal between cup and cover – prevents vacuum leaks and oil bypass
🔹 High-quality durable material – long-lasting service under repeated use
🔹 Compatible with PowerFlame 985970 & 985417 – direct replacement
🔹 Essential for proper filter operation – ensures leak-free performance
📊 Specifications
| Parameter | Detail |
| Part Number |
42030-10 |
| Quantity |
10 O-Rings |
| Compatible Filter Models |
Combu 70101-100 / 40140, 70101-300 / 40130 |
| Replacement For |
PowerFlame 985970, 985417 |
| Pipe Size |
1" NPT |
| Material |
High-durability O-Ring rubber |
| Use |
Positive seal between filter cup and cover |
⚠️ Common Symptoms / When to Replace
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Oil leaks from the filter cup or cover
-
Vacuum loss in the oil system
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Filter bypass allowing unfiltered oil to flow
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Cracked, flattened, or worn O-Ring
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Poor system performance or reduced efficiency due to improper seal
⚠️ Important Notes
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Not included with filter elements: 41100 (100 Micron) or 41090 (300 Micron)
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Always inspect your O-ring when changing filter elements. Replace if cracked, flattened, or worn to maintain proper sealing.
💬 Frequently Asked Questions (FAQ)
Q: Which filters are compatible with the 42030-10 O-Rings?
A: Compatible with Combu 40130 (300 Micron) and 40140 (100 Micron) 1" oil filters, also known as 70101-300 and 70101-100.
Q: Is this O-Ring included with replacement filter elements?
A: No, it must be purchased separately.
Q: Can these O-Rings replace PowerFlame parts?
A: Yes, these are direct replacements for PowerFlame 985970 and 985417.
Q: When should I replace the O-Ring?
A: Inspect and replace whenever changing the filter element, or if the O-Ring shows wear, cracks, or flattening.
Q: What does this O-Ring do?
A: Provides a positive, leak-proof seal between the filter cup and cover, preventing vacuum leaks and ensuring proper filter operation.
🛒 Shopping Tips
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Always replace the O-Ring when installing a new filter element to prevent leaks.
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Keep a 10-pack on hand for multiple filter changes.
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Inspect O-Rings before installation for cracks, flattening, or other wear.
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Works with both 100-micron and 300-micron 1" Combu oil filters.