Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Secondary engine air-filter number | 331-8111 |
| Normalized Search Alias | Same number without separator | 3318111 |
Excavator Filters
331-8111 Secondary Engine Air Filter for CAT C9.3 C13 C15 C18 D8 980
2 product photos · Swipe on mobile, or hover and select a thumbnail.
OEM / reference331-8111
SpecificationSecondary Engine Air Filter
Catalog ID69868030
Standard-efficiency secondary engine air filter identified by part number 331-8111. The manufacturer record publishes C9.3, C9.3B, C13, C15 and C18 engine applications, D8/D8T tractors, PL83/PL87 pipelayers, 6015 hydraulic shovels, 773/775 trucks and 966, 972, 980, 982, 986 and 988GC wheel-loader families. Confirm the complete number, element length and diameter, end-cap form, primary/secondary position and equipment serial range before ordering.
- Product Type
- Secondary Engine Air Filter
- Product Brand
- EexcavaStart
- Efficiency Class
- Standard efficiency
- Filter Position
- Secondary / safety element
- Condition
- New replacement part
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
Formatting alias
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Secondary Engine Air Filter
- Category
- Excavator Filters
- Catalog ID
- 69868030
- Photo views
- 2
Before ordering
Confirm these details
- Match the complete part number on the original component.
- Compare connectors, mounting points and visible dimensions with the product photos.
- Confirm the exact machine or engine model and serial range before ordering.
Machine fitment
Compatible model references
6 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Common questions about 331-8111
Which machines use 331-8111?
Recorded compatible model references include Published engine families: C9.3, C9.3B, C13, C15, C18, Published tractors / pipelayers: D8, D8T, PL83, PL87, Published hydraulic shovels: 6015, 6015B, Published wheel-loader families: 966, 972, 980, 982, 986, 988GC, Published trucks: 773, 773G, 775, 775G, Fitment limitation: Confirm 331-8111, element length and diameter, end-cap form, primary/secondary position and equipment serial range. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 331-8111?
Formatting aliases for the same number: 3318111.
How do I confirm 331-8111 before ordering?
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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