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💙 Stay slick, stay unstoppable — marine-grade grease that won’t quit!
Sta-Lube SL3121 is a premium blue aluminum complex marine grease designed for superior water resistance and adhesion. Formulated with a polymer-enhanced base oil, it withstands severe water exposure and high temperatures up to 469°F. Ideal for 4WD vehicles, boat trailers, and marine equipment, this 14 oz. tub delivers reliable protection and long-lasting performance trusted by professionals.



























| ASIN | B000CPJMY8 |
| Best Sellers Rank | #137,916 in Automotive ( See Top 100 in Automotive ) #17 in Heavy Duty Vehicle Greases & Lubricants |
| Brand Name | Sta-Lube |
| Compatible Material | Metal |
| Container Type | container |
| Customer Reviews | 4.7 4.7 out of 5 stars (916) |
| Global Trade Identification Number | 30072213312103 |
| Included Components | Grease |
| Item Form | Paste |
| Item Type Name | Marine Boat Trailer And 4 X 4 Wheel Bearing Grease |
| Liquid Volume | 14 fluid ounces |
| Manufacturer | Sta-Lube |
| Material | Aluminum |
| Model Number | SL3121 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | SL3121 |
| Recommended Uses For Product | Water |
| Specific Uses For Product | Marine, Freshwater, Saltwater, 4WD, Boat Trailers |
| UPC | 072213312102 |
| Unit Count | 14 Ounce |
| Upper Temperature Rating | 469 °F |
| Viscosity | 21 sq-mm/s |
| Warranty Description | Manufacturer Warranty |
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