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Description
Heavy-Duty Fan Pulley 3943978 for Cummins QSL9/ISBE4/ISX/ISL9 Engines, Hyundai HL770-7A/9, R360LC-9Replacement part number: 3943978 Fit for Cummins Engine: 6C8. 3, B3. 3, B4. 5, G8. 3, ISBE4 CM850, ISC CM554, ISC CM850, ISF2. 8 CM2220 F122, ISF3. 8 CM2220, ISL CM2150, ISL CM554, ISL CM850, ISL G CM2180, ISL8. 9 CM2150 L110, ISL8. 9 CM2880 L112, ISL8. 9 CM2880 L140, ISL9 CM2150 SN, ISL9 CM2350 L101, ISL9. 5 CM2150 SN, ISL9. 5 CM2880 L138, ISLE4 CM850, L GAS PLUS CM556, L8. 9, L8. 9 CM2880 L146G, L8. 9G CMOH2. 0 L125B, L9 CM2670 L128B, L9 CM2670
Replacement part number:
3943978Fit for Cummins Engine:
6C8.3, B3.3, B4.5, G8.3, ISBE4 CM850, ISC CM554, ISC CM850, ISF2.8 CM2220 F122, ISF3.8 CM2220, ISL CM2150, ISL CM554, ISL CM850, ISL G CM2180, ISL8.9 CM2150 L110, ISL8.9 CM2880 L112, ISL8.9 CM2880 L140, ISL9 CM2150 SN, ISL9 CM2350 L101, ISL9.5 CM2150 SN, ISL9.5 CM2880 L138, ISLE4 CM850, L GAS PLUS CM556, L8.9, L8.9 CM2880 L146G, L8.9G CMOH2.0 L125B, L9 CM2670 L128B, L9 CM2670 L132B, L9 CM2670 L134C, L9 CM2670 L135C, L9 CM2670 L136C, L9 CM2670 L137C, L9.3 L105, L9.5 L117, L9N CM2380 L124B, L9N CM2380 L130B, L9N CM2380 L142B, QSL8.9 CM2150 L141, QSL9 CM554, QSL9 CM850(CM2850), QSL9 G CM558, QSL9 M CM2250 L106, QSL9.3 CM2880 L113
Application:
Fit for following models:
Hyundai Loader: HL770-7A, HL770-9
Hyundai Excavator: R360LC-9
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Exchange/Return Notes
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4.4 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Love these
Color: Brown
Looks great and holds up
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
Functional, Look Great
Color: Brown
These were nice corner shelves that were easy to install, and look great. There are plenty of other options on Amazon that offer more shelves and/or at a lower price, but these ones look nicer than most.
Overall they're pretty easy to install. It's not exactly a two-person job, but it is easier if you have help - someone to hold the shelf and a level, and the other to mark the holes. My only other recommendation is to check your L-brackets before you do anything. Some come bent inward, some bent outward. If they're really crooked it will make it hard to wedge the shelf into the corner and may result in uneven measurements/holes, so make sure you straighten them out first.
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Reviewed in the United States on February 25, 2025
★★★★★ 5
Corner shelf
Color: Brown
Great product easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
★★★★★ 5
Great Tray For Storing My Everyday Carries
Size: 8.5" x 5.8" x 1.9", Color: Black
My everyday carry items (wallet, keys, etc.), used to just get thrown around wherever when I'd get home, but this little tray makes a great, defined, space for me to keep those things when I don't need them on me. The soft lining reduces the obnoxious sound of throwing keys on a hard surface, and of course keeps me from scratching up a surface. The build feels quality and I haven't seen any damage to it yet. Also the all black version with gold buckle looks quite good and adds a subtle touch of luxury. Absolute recommend for the price.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Just the right size to empty your pockets.
Size: 8.5" x 5.8" x 1.9", Color: Orange
Perfect size to empty my pockets when I get home. Fits my wallet, keys, AirPods, etc. excellent quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
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