External Retaining Ring, PAI GRI-2707 (OEM 503KC12), Pack of 4
Used In These Kits
This part is included in 2 engine & overhaul kits — find yours below.
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GBK-6561Mack BEARING AND SEAL KIT In stock -
GBK-6562-100RETAINING RING KIT In stock - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
Pack of 4.
PAI GRI-2707: External Retaining Ring. External retaining ring with 1.703in free inside diameter, 0.188in width and 0.093in thickness (43.25mm, 4.77mm and 2.36mm). Manufacturer-designated parent reference: MACK 503KC12.
Manufacturer application categories
MACK TRL-107 TRANSMISSION 5-SPEED; MACK TRL-1076/1078 TRANSMISSION 5-SPEED; MACK TRXL-107 TRANSMISSION 6-SPEED; MACK TRDXL-107 TRANSMISSION 6-SPEED; MACK TRDL/TRDLG-107,1070 TRANSMISSION 10-7 SPEED. Confirm the complete required part number and application before ordering.
Manufacturer product cross-references
MACK 503KC12
Fits:
- MACK TRL-107 TRANSMISSION 5-SPEED
- MACK TRL-1076/1078 TRANSMISSION 5-SPEED
- MACK TRXL-107 TRANSMISSION 6-SPEED
- MACK TRDXL-107 TRANSMISSION 6-SPEED
- MACK TRDL/TRDLG-107,1070 TRANSMISSION 10-7 SPEED
OEM cross-references:
- MACK 503KC12
Warranty: 24 months
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| MACK 503KC12 |
| PAI GRI-2707 |
No cross-reference numbers match that search.
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.