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Description
Cylinder Head Assembly 243-6741 for Caterpillar CAT Engines 3406-3412C-C12-C15-C16-C18Condition: Complete cylinder head with valves and springs. Replacement part number: 243 6741, 2436741, CA2436741 Fit for Caterpillar CAT Engine: 3406, 3456, 3406E, 3412C, C 12, C15, C 15, C 16, C18, C 18, XQ300, XQ400 Application: Fit for following models: Caterpillar CAT Excavator: 365C L, 385B, 385B L, 385C, 385C FS, 385C L, 5090B Caterpillar CAT Tractor Scraper: 621B, 621E, 621F, 621G, 623B, 623E, 623G, 627E, 627F, 627G, 631G, 637G, 651B, 657B,
Condition:
Complete cylinder head with valves and springs.Replacement part number:
243-6741, 2436741, CA2436741Fit for Caterpillar CAT Engine:
3406, 3456, 3406E, 3412C, C-12, C15, C-15, C-16, C18, C-18, XQ300, XQ400
Application:
Fit for following models:
Caterpillar CAT Excavator: 365C L, 385B, 385B L, 385C, 385C FS, 385C L, 5090B
Caterpillar CAT Tractor Scraper: 621B, 621E, 621F, 621G, 623B, 623E, 623G, 627E, 627F, 627G, 631G, 637G, 651B, 657B, 657E, 657G
Caterpillar CAT Dozer: 824C, 824H, 834H, 824G II, 834G, D8R, D8R Series II, D8T, D9T
Caterpillar CAT Loader: 980G, 980G II, 980H, 988G, 988H
Caterpillar CAT Off-Highway Truck: 735, 740, 770, 772, AD30, D350E Series II, D400E Series II
Caterpillar CAT Compactor: 825C, 826C, 825G II, 825H, 826G II, 826H, 836G, 836H
Caterpillar CAT Cold Planer: PM200, PM-200, PM-201
Caterpillar CAT Pipelayer: 583T, 587T
Caterpillar CAT Load Haul Dump: R2900G
Caterpillar CAT Reclaimer Mixer: RM-500
Caterpillar CAT Petroleum Power Train Package: CX35-P800-C18I, TH35-C15I
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
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4.8 ★★★★★
Based on 131 reviews
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Product Reviews
★★★★★ 5
Perfect for my body and fit preference, plus COTTON
Size: X-Large, Color: Set-unbl
Update: Different color packs fit differently. I've purchased two packages, one all-black and one black with the colorful waistbands. The all-black are a little smaller. IMO the all-black run a half to a full size small, and the black with the colorful waistbands run true to size.
Listen, all of our bodies and preferences are so different, but these are perfect for my body and my fit preference. They hit at my bellybutton and I would describe the length as short-boyshorts, but not hipsters. Most importantly, they're cotton, which my body reacts much better to these days.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Good quality
Size: Medium, Color: Set-unbl
They fit perfectly and seem well made
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Will be buying more
Size: X-Large, Color: Set-unbl
LOVE THESE!
They’re so comfortable and stretchy.
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Reviewed in the United States on April 24, 2026
★★★★★ 3
They're ok
Size: Large, Color: Set-mu2
These are ok. I'm 5'6", 150lbs. I got a large. The colors are fun. The waist band is comfortable, fits well, doesn't dig in, and sits high enough to not affect a my C-section scar, but they constantly ride up.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Cotton panties need to be the standard- these are amazing!
Color: C-multicolor(6 Pack), Size: Medium
SO comfortable!! I’ve never owned a pair of 95-100% cotton underwear and I’m never going back. These are so breathable, soft and well made for an affordable price! The lacey detail is so cute and feminine. I got the mediums cause I don’t like my underwear squeezing me but don’t want them too loose either. After washing and drying they fit nicely. They hit at waist as well which I love. Would definitely recommend!
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Reviewed in the United States on May 28, 2026