Engine Serial Variants Confirmed — We match this starter motor to the specific Kubota D902 production run, verifying mounting pattern and connector type before dispatch to prevent misfit during engine rebuilds.
Technical Specifications
| Parameter |
Value |
| Part Number |
16824-63013 |
| Product Type |
Starter Motor |
| Cross-Reference |
114686, 16824-63010, 16824-63011, 16824-63012, 16824-63013, 16824-63014, LRS04119, M000T88081, M000T88082, M000T88084, M0T88081, M0T88082, M0T88084, KEARS-16824, STR71217 (reference only) |
| Machine Fitment |
Kubota D902, D902E, D902-E2B-DGDE-1 |
| Voltage |
12V |
| Power |
1.2KW |
| Teeth |
8 |
| Condition |
New Aftermarket |
| Warranty |
3-12 months against manufacturing defects |
| Standards |
ISO |
Application Suitability
| Engine System |
Related Components |
| Kubota D902 Electrical Starting System |
Alternator, Glow Plugs, Battery Cables, Ground Strap |
| Kubota D902E Engine Overhaul Package |
Piston Sets, Bearing Shells, Gasket Kits, Oil Pump |
| Kubota D902-E2B Standby Power Setup |
Stop Solenoid, Fuel Lift Pump, Voltage Regulator |
Why the Same Part Number Ships in Multiple Variants
A starter motor that spins but fails to engage the flywheel often indicates a variant mismatch, not a defective unit. When sourcing a 16824-63013 Starter Motor Kubota D902 engine rebuild replacement, the engine serial number determines the exact mounting configuration and connector type required. The D902, D902E, and D902-E2B variants differ in production runs, and what looks like the same base part number can ship with different spline engagements or terminal orientations.
I have seen rebuild shops receive a starter that physically bolts on but fails to crank because the bendix drive depth did not match the flywheel ring gear position for that specific engine build. This is not a quality issue; it is an identification gap that causes secondary teardowns and project delays [NEED_CITE: engine serial variant tracking in aftermarket component supply]. Verifying the engine serial before ordering prevents this recurring frustration on site.
Matching the Starter to the D902 Engine Electrical System
The starter motor is one node in a coordinated electrical system that includes the alternator, glow plug circuit, and battery ground path. When a 16824-63013 Starter Motor Kubota D902 engine rebuild replacement is installed during an overhaul, the entire starting circuit should be verified. A weak alternator output or a corroded ground strap can mimic starter failure, leading to unnecessary part swaps while the root cause remains unaddressed.
Rebuild shops that refresh the starter alongside glow plugs and inspect the alternator output report fewer cranking-but-no-start complaints after reassembly. System-level thinking prevents the starter from becoming a scapegoat for broader electrical degradation.
Serial Variants and the Risk of Assumed Interchangeability
The Kubota D902 series spans multiple production runs with subtle but critical differences in mounting patterns and connector configurations. A starter that fits a D902 may not engage correctly on a D902-E2B variant, even though cross-reference tables list them interchangeably [NEED_CITE: Kubota D902 series engine serial range differences in mounting and connector specifications].
The 8-tooth drive gear must mesh precisely with the flywheel ring gear. If the tooth profile or mesh depth is wrong for that specific engine variant, the bendix will slip under load or damage the ring gear teeth during engagement. This is why confirming the engine serial number and variant designation is mandatory before committing to a bulk order for a rebuild shop or fleet maintenance program.
Understanding the 12V 1.2KW Rating and 8-Tooth Drive Configuration
The 12V system voltage and 1.2KW power output define the cranking torque available to turn the D902 engine over from cold. This rating is matched to the engine's compression ratio and internal friction characteristics. Undersizing the starter results in slow cranking that fails to achieve ignition timing, particularly in cooler ambient conditions common in standby power applications.
The 8-tooth drive gear is specified to match the flywheel ring gear tooth count and pitch diameter. The tooth profile must align to distribute engagement force evenly across the gear face. Incorrect mesh depth concentrates load on the tooth tips, accelerating wear and eventual stripping of the ring gear. This specification is not interchangeable with other tooth counts even if the physical mounting pattern appears identical.
The Cost of Skipping Root-Cause Diagnosis Before Replacement
Replacing a starter motor without confirming the electrical system health leads to predictable outcomes. A voltage drop at the battery terminal, a failing stop solenoid, or a compromised ground connection will cause the new starter to perform just as poorly as the old one. The result is a second parts order, another teardown, and a machine that remains down while the actual fault is located [NEED_CITE: electrical system diagnostic sequencing before starter motor replacement].
For engine rebuild applications, this oversight is compounded. The engine is already out of service for the overhaul. Installing a new starter without load-testing the battery and measuring cable resistance means the first start attempt after reassembly may fail, forcing a diagnostic exercise that should have been completed before the engine went back in.
Sourcing That Accounts for What Can Go Wrong
Own production on selected electrical lines and qualified sourced supply under one account means the 16824-63013 Starter Motor Kubota D902 engine rebuild replacement carries consistent warranty terms regardless of manufacturing origin. Eight product categories allow the starter to ship alongside the gasket kit, bearing shells, and seal kits for the same engine rebuild, eliminating split freight and mismatched lead times.
Part identification works from the part number, machine model, photograph, or nameplate image when the plate is worn or painted over. Cross-reference verification covers superseded and alternate numbers, catching errors that propagate through copied tables. Sample supply allows fitment confirmation before bulk commitment, and the technical team confirms compatibility and grade based on the specific engine serial provided.
Documentation & Verification
- Commercial invoice listing engine serial variant and cross-reference numbers (reference only)
- Part compatibility sheet mapping D902, D902E, and D902-E2B variants
- Quality inspection record confirming 8-tooth drive gear engagement depth
- Warranty terms covering manufacturing defects for 3-12 months
- Packing photographs showing unit condition before crate closure
- HS code and customs documentation for international engine parts shipments
Installation & Rebuild Sequence
- Verify battery load and ground strap integrity before connecting new starter
- Confirm 8-tooth drive gear alignment with flywheel ring gear during installation
- Check alternator output voltage and glow plug circuit continuity post-installation
- Perform initial cranking test with fuel system disabled to confirm engagement
- Monitor starter current draw during first loaded start to establish baseline
Request a Fitment-Verified Quote
Provide the Kubota D902 engine serial number and variant designation (D902, D902E, or D902-E2B) along with the old starter part number if legible. If the nameplate is worn, supply a photograph of the mounting flange and connector. This allows verification of the correct variant before quoting lead time and dispatch options.
Frequently Asked Questions
Q: How do I confirm which starter variant fits my specific D902 engine serial number?
A: Provide the engine serial number from the nameplate or service records. The production run determines the mounting pattern and connector configuration. Cross-reference tables alone are insufficient because variant differences exist within the same base part number family. We verify against the specific serial range before confirming fitment.
Q: My old starter has a different OEM number — is this one still the correct replacement?
A: OEM numbers are superseded across production runs, and alternate numbers exist for the same physical part. Provide the old part number along with the engine serial. We verify cross-reference compatibility (reference only) against known superseded and alternate numbers to confirm whether 16824-63013 is the correct current designation for your engine build.
Q: What other starting-system components should I inspect during an engine rebuild?
A: Load-test the battery, measure voltage drop across cables, check ground strap continuity, verify glow plug resistance, and confirm alternator output. A starter replacement during an overhaul is the opportunity to refresh the entire starting circuit. Skipping these checks risks cranking-but-no-start complaints after reassembly.
Q: Can I get a sample unit to verify fitment before committing to a bulk order?
A: Sample supply is available for fitment confirmation. This is standard practice for rebuild shops stocking starters across multiple D902 engine serial ranges. Confirm the variant with one unit installed on the actual engine before committing to bulk quantities for fleet maintenance or resale inventory.
