Price Match Guarantee
In-stock parts ship the same day
365-Day Return Policy
Price Match GuaranteeGET PRO PRICING
HomePartsMammoth PartsMammoth RTU PartsMammoth RTU Cap, Lid & Cover Parts
Mammoth Packaged Unit/RTU Cap, Lid & Cover Parts
Get genuine OEM Mammoth Packaged Unit/RTU Cap, Lid & Cover Parts fast with same-day shipping and 365-day returns.
9 results for
Mammoth
Cap, Lid & Cover
Packaged Unit/RTU
Sort:
Relevance
We sell the real thing!
$17.60
Plug, molded, hv3.5-5t, lc, 13seer
We sell the real thing!
$23.85
Plug, molded, hv, tf5, 52"
We sell the real thing!
$34.75
Plug, molded comp, 3ph, 122"
We sell the real thing!
$28.30
Plug, molded comp, 3ph, 85"
We sell the real thing!
$13.65
Plug, molded, hv, pkg, 56"
We sell the real thing!
$23.75
Plug, molded comp, 3ph, 77in
We sell the real thing!
$31.05
Plug, molded comp, 3ph, 114in
We sell the real thing!
$12.00
Plug, molded, lv, 2stg, pkg, non-ca
Mammoth Packaged Unit/RTU Cap
Genuine OEM Part # 275291B | RC Item #3300866
# 275291B
RC Item #3300866
RC Item #3300866
We sell the real thing!
$3.40
Cap, top, fan, grille, bronze
Find. Fix. Finish.
Whether you're a pro or a novice, we've got you covered with the repair know-how and replacement Mammoth Packaged Unit/RTU parts you need.
Genuine OEM Mammoth Replacement Parts
Get peace of mind with the real thing—genuine OEM Mammoth Packaged Unit/RTU parts.
No-Hassle 365-Day Returns
Return uninstalled Mammoth Packaged Unit/RTU parts and products for any reason within 365 days of purchase.
Same-Day Shipping
Get the job finished. Order replacement Mammoth Packaged Unit/RTU parts by 9:00 PM ET, and we'll ship them the same day.
Price Match Guarantee
We'll match any price offered by our direct competitors on all genuine OEM Mammoth Packaged Unit/RTU replacement parts
Genuine OEM Mammoth Replacement Parts
Get peace of mind with the real thing—genuine OEM Mammoth Packaged Unit/RTU parts.
Quality Mammoth Packaged Unit/RTU Cap, Lid & Cover Parts From Repair Clinic
Looking for Mammoth Packaged Unit/RTU Cap, Lid & Cover Parts? RepairClinic.com has the appliance parts, lawn equipment parts and heating/cooling parts you need!
Packaged-Unit-RTU Tune-Up & Maintenance Videos
Learn More: Access Packaged-Unit-RTU & Tech Tip Library
Related Packaged-Unit-RTU Information
Related Mammoth Packaged Unit/RTU Cap, Lid & Cover Parts
Our Story
Family-owned and operated since 1912, Burke America Parts Group is the longest-running genuine appliance, HVAC, and outdoor power equipment parts solution in North America. At Repair Clinic, we're proud to be an international brand trusted by the pros as well as the DIY community.
About Repair Clinic
© 2026 RepairClinic.com