
Cummins Gen-Set, Generator Top Tank # 990648
- OEM-compatible fit for Cummins Gen-Set systems
- Precise fitment with Part #990648 matching
- Fast add-to-cart procurement for repairs
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ICEBOX OEM-Equivalent Parts
Explore Radiator Supply House's Radiator End Tank, along with complete cooling packages and coolant reservoir and surge tanks. These aftermarket replacement parts are engineered for direct-fit compatibility, serving construction equipment maintenance needs across the USA. OEM part numbers are cross-referenced for accurate fitment. Each listing shows transparent per-unit pricing and is available for immediate online purchase.
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Radiator Supply House stocks top tanks, bottom tanks, cross flow tanks, conversion tanks, reservoir tanks, and tank sets. These are available for heavy-duty trucks (Peterbilt, Kenworth, Freightliner, International), construction equipment (Caterpillar, Case, Komatsu), agricultural machinery (John Deere), and specialty vehicles including RVs, buses, and fire trucks.
Talk to our experts for custom solutions and tailored guidance.

Top and bottom tank replacements for Peterbilt, Kenworth, Freightliner, and International long-haul and vocational trucks.

Durable end tank parts for Caterpillar, Case, and Komatsu excavators, dozers, and wheel loaders operating in harsh conditions.

Replacement radiator tanks for John Deere and Case tractors, sprayers, and combines to maintain uptime during critical seasons.

Specialized cooling end tanks for motorcoaches, transit buses, fire trucks, and RVs from Monaco, Spartan, and Bluebird.
Talk to our experts for custom solutions and tailored guidance.
End tank parts for Peterbilt, Kenworth, Freightliner, Caterpillar, John Deere, International, Case, and 300+ more manufacturers — all in one catalog.
ICEBOX replacement tanks are engineered to OEM specifications, ensuring proper fitment and reliable cooling performance to minimize costly downtime.
Login-based pricing gives fleet operators, repair shops, and dealers access to competitive wholesale rates with a streamlined online ordering system.
Submit your request and our cooling system specialists will identify the correct top, bottom, or cross flow tank for your equipment.
For immediate assistance, feel free to give us a direct call at +1 877-615-3002.
For immediate assistance, feel free to give us a direct call at +1 877-615-3002.