Products Description
Robin EH63 / EH64 / EH65 Engine Air Filter – Replaces 263-32610-01
Direct Replacement Air Filter for Subaru Robin 18–22 HP Engines
This air filter is a direct replacement for the Subaru Robin EH63, EH64, and EH65 engines, commonly used in ride‑on mowers, commercial turf equipment, and other outdoor power machinery . The filter replaces OEM part numbers 263‑32610‑01 and 263‑32610‑A1, and is also compatible with Oregon 30‑717, Stens 058‑021, Ariens 21527200, and 21527400 . Premium filter paper with pleat counts meeting OEM specifications ensures effective dust capture and maintains optimal engine performance and longevity .
Technical Profiles & Materials
OEM-Spec Replacement Fitment – Directly replaces Subaru Robin part numbers 263‑32610‑01, 263‑32610‑A1, and RA‑263‑32610‑01 . Also cross‑references to Oregon 30‑717 and Stens 058‑021 . Aftermarket options from MOWFILL and Jakmax are also available .
Precise Dimensional Specifications – Measures approximately 6‑13/16 inches (173mm) outer diameter, 5‑1/2 inches (140mm) inner diameter, and 2‑3/8 inches (60mm) height . Some aftermarket variants measure 2.44 inches in height . This exact sizing ensures a perfect seal in the OEM air filter housing.
Complete Kit Options – Many air filters are available as combos that include a foam pre‑filter for enhanced engine protection in dusty conditions . The pre‑filter captures larger debris before it reaches the main filter, extending the life of the paper element.
Premium Filtration Media – Manufactured from high‑quality pleated filter paper that meets OEM specifications for pleat count, providing effective removal of dirt, dust, and debris from the intake air . Clean airflow ensures proper combustion and consistent engine power.
Wide Application – Fits Subaru Robin EH63, EH64, and EH65 engines, with applications including Razorback CMX186 and CMX227 4WD mowers . Also suits floor saws and other commercial equipment powered by these engine platforms.
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | OEM Part Nos. | 263‑32610‑01, 263‑32610‑A1, RA‑263‑32610‑01 |
| 2 | Cross‑Reference | Oregon 30‑717, Stens 058‑021, Ariens 21527200, 21527400, GA Spares AIR7953 |
| 3 | Outer Diameter | 6‑13/16 inches (173mm) |
| 4 | Inner Diameter | 5‑1/2 inches (140mm) |
| 5 | Height | 2‑3/8 inches (60mm) |
| 6 | Engine Compatibility | Robin EH63 (18 HP), EH64 (20.5 HP), EH65 (22 HP) |
| 7 | Filter Type | Round paper element with optional foam pre‑filter |
| 8 | Pre‑Filter Option | Included with some aftermarket combos |
| 9 | Equipment Applications | Razorback CMX186, CMX227 4WD mowers, floor saws |
| 10 | Unit of Sale | 1 piece or complete kit with pre‑filter |
Products Application
Robin Engine Air Intake Protection
The 263‑32610‑01 air filter is a standard maintenance item for Subaru Robin EH63, EH64, and EH65 engines used in commercial ride‑on mowers and outdoor power equipment. Replacing a clogged or dirty filter restores proper airflow, prevents power loss, and protects the engine from abrasive dust and debris . The pre‑filter option provides additional protection in particularly dusty operating conditions.
Commercial Turf Equipment Servicing
Direct replacement for Razorback CMX186 and CMX227 4WD mowers, as well as other commercial equipment powered by EH63, EH64, or EH65 engines . Regular air filter replacement at recommended intervals maintains consistent cutting performance, reduces fuel consumption, and extends engine life. The filter captures dust and dirt to prevent premature wear and ensure reliable starting and smooth operation .
Workshop & Preventative Maintenance
For repair centres and equipment owners, the filter is available individually or as a complete kit with pre‑filter. Regular replacement at the manufacturer's recommended service intervals prevents dust ingestion, extends engine life, and ensures reliable starting and consistent power delivery. Genuine OEM and quality aftermarket options are available to suit different maintenance budgets .
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FAQ
Q: How do I confirm this air filter fits my engine?
A:Check your engine model number on the identification plate. This filter fits Subaru Robin EH63 (18 HP), EH64 (20.5 HP), and EH65 (22 HP) engines . It replaces OEM part numbers 263‑32610‑01, 263‑32610‑A1, and RA‑263‑32610‑01, as well as cross‑references including Oregon 30‑717 and Stens 058‑021 .
Q: What are the dimensions of this air filter?
A: The filter measures approximately 6‑13/16 inches (173mm) outer diameter, 5‑1/2 inches (140mm) inner diameter, and 2‑3/8 inches (60mm) height . Some aftermarket versions may measure 2.44 inches in height . Verify your existing filter dimensions before ordering.
Q: Does the filter come with a pre‑filter?
A: The filter is available both as a standalone paper element and as a complete combo kit that includes a foam pre‑filter . The pre‑filter provides additional protection in dusty conditions and captures larger debris before it reaches the paper element, extending the life of the main filter.
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