CTP hydraulic seals and seal kits cover the most common cylinder and pump applications across Caterpillar, Komatsu, Hitachi, and Volvo construction equipment. Seal-kit failures are the single most common hydraulic-system maintenance event — CTP provides aftermarket compounds (NBR, FKM, polyurethane) at 30-50% cost savings, with cross-references documented for major OEM part numbers.
Specifications
| Compounds | NBR (standard), FKM/Viton (high-temp/aggressive fluid), polyurethane |
|---|---|
| Coverage | Cylinder seal kits, rod seals, piston seals, pump seals, valve seals |
| OEM cross-reference | Caterpillar, Komatsu, Hitachi, Volvo, Doosan documented |
| Cost vs OEM | 30-50% savings typical |
Common Applications
- Boom, stick, and bucket cylinder rebuilds on excavators
- Steering and dump cylinder rebuilds on dozers and loaders
- Hydraulic pump and valve seal replacement at scheduled intervals
- Repair after debris-induced contamination (dusty Central American operations)
- Mid-life hydraulic-system overhaul at 6,000-8,000 hours
When to Choose Hydraulic Seals & Components
- Routine cylinder rebuild is in scope (every 4,000-6,000 hours typical)
- Hydraulic-system contamination event requires seal replacement
- OEM seal-kit pricing has crept above the labor-vs-replace breakeven
- High-temperature or aggressive-fluid application requires FKM/Viton (CTP carries this)
Product Photos
Manufacturer photography from our distribution catalog. Click any photo for a larger view.
Parts in this Category
24 of 1074 aftermarket parts shown · ranked by Miami availability + brand strength. Browse all →
CTP-01100
D65P, D65PX 01100 — KOMATSU®; 330M
View Part →CTP-0541719
STANDARD EFFICIENCY 0541719 — AP-800C
View Part →CTP-0935369
STANDARD EFFICIENCY 0935369 — 307B
View Part →CTP-0937170
PUMP,GEAR 0937170 — E110B
View Part →CTP-0937521
ADVANCED EFFICIENCY 0937521 — FILTER-OIL
View Part →CTP-0944412
STANDARD EFFICIENCY 0944412 — OIL 5080
View Part →CTP-0995846
RING 0995846 — 320 L
View Part →CTP-0995848
RING 0995848 — 320 L
View Part →CTP-1002870
970F, R1600, R1600G, R1600H 1002870 — WA450
View Part →CTP-1003259
PUMP GR-PISTON 1003259 — 416B
View Part →CTP-1003406
924F, 928F 1003406 — PUMP ASS'Y
View Part →CTP-1003414
PUMP G 1003414 — 9J5058
View Part →CTP-100R1
including machine, tool and agricultural applications 100R1 — 4 in - 2 in
View Part →CTP-100R12
4 Wire Braid 100R12 — 8 in - 1-1
View Part →CTP-100R13
3/4 in - 1-1/2 in 100R13 — 600 - 4500
View Part →CTP-100R15
3/4 in - 2 in 100R15 — 6000 - 3600
View Part →CTP-100R2
1/4 in - 2 in 100R2 — 5000 - 1200
View Part →CTP-100R4
suction line for petroleums, oils and water based 100R4 — 4 in - 4 in
View Part →CTP-100R5
transmission coolant and filtration lines. Compatible 100R5 — 4 in - 1 in
View Part →CTP-1022828
ULTRA HIGH EFFICIENCY 1022828 — FILTER-OIL
View Part →CTP-1028391
100R1-12 1028391 — 1N3133
View Part →CTP-1041752
PUMP GP-PISTON 1041752 — D9R
View Part →CTP-1046931
ULTRA HIGH EFFICIENCY 1046931 — D6R
View Part →CTP-1052126
SHAFT GP-DRIVE 1052126 — 918F
View Part →Brands
Industries
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