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Caterpillar 0951681 O-Ring
Regular price $3.72 USDRegular price$6.36 USDSale price $3.72 USDSale -
Caterpillar 0951680 O-Ring
Regular price $2.24 USDRegular price$3.84 USDSale price $2.24 USDSale -
Caterpillar 0951679 O-Ring
Regular price $1.86 USDRegular price$3.18 USDSale price $1.86 USDSale -
Caterpillar 0951678 O-Ring
Regular price $10.31 USDRegular price$17.62 USDSale price $10.31 USDSale -
Caterpillar 0951676 O-Ring
Regular price $3.02 USDRegular price$5.16 USDSale price $3.02 USDSale -
Caterpillar 0951675 O-Ring
Regular price $2.89 USDRegular price$4.94 USDSale price $2.89 USDSale -
Caterpillar 0951674 O-Ring
Regular price $2.72 USDRegular price$4.65 USDSale price $2.72 USDSale -
Caterpillar 0951673 O-Ring
Regular price $2.23 USDRegular price$3.81 USDSale price $2.23 USDSale -
Caterpillar 0951671 O-Ring
Regular price $2.53 USDRegular price$4.33 USDSale price $2.53 USDSale -
Caterpillar 0951663 O-Ring
Regular price $1.08 USDRegular price$1.84 USDSale price $1.08 USDSale -
Caterpillar 0951662 O-Ring
Regular price $3.41 USDRegular price$5.83 USDSale price $3.41 USDSale -
Caterpillar 0951659 O-Ring
Regular price $0.67 USDRegular price$1.15 USDSale price $0.67 USDSale -
Caterpillar 0951658 O-Ring
Regular price $0.51 USDRegular price$0.88 USDSale price $0.51 USDSale -
Caterpillar 0951657 O-Ring
Regular price $0.38 USDRegular price$0.66 USDSale price $0.38 USDSale -
Caterpillar 0951642 O-Ring
Regular price $44.69 USDRegular price$76.35 USDSale price $44.69 USDSale -
Caterpillar 0951641 O-Ring
Regular price $23.40 USDRegular price$39.97 USDSale price $23.40 USDSale -
Caterpillar 0951640 O-Ring
Regular price $22.81 USDRegular price$38.97 USDSale price $22.81 USDSale -
Caterpillar 0951639 O-Ring
Regular price $21.90 USDRegular price$37.41 USDSale price $21.90 USDSale -
Caterpillar 0951637 O-Ring
Regular price $19.66 USDRegular price$33.59 USDSale price $19.66 USDSale -
Caterpillar 0951636 O-Ring
Regular price $17.55 USDRegular price$29.98 USDSale price $17.55 USDSale
Collection: Sale Items
Sale Items from WQC Parts are organized to help buyers identify reliable aftermarket replacement parts by part number, equipment family, system, and application. This collection focuses on replacement parts, service components, hardware, wear parts, and related assemblies used to support repair, maintenance, and uptime across heavy equipment applications.
Heavy equipment parts should be selected carefully because the same general description can apply to multiple machines, serial ranges, component groups, or diagram positions. Use this collection as a focused product group, then confirm the exact part number and machine details before ordering.
Heavy Equipment Replacement Parts Applications
Products in this collection may support construction, mining, quarry, forestry, utility, road-building, and fleet maintenance applications. Depending on the machine and component group, fitment may depend on model series, serial range, installed arrangement, hydraulic configuration, engine arrangement, attachment package, or work-equipment setup.
How to Confirm Fitment
- Search by the original part number when available.
- Confirm the machine model, serial range, and component location.
- Check diagram position, quantity, and arrangement notes where parts-book information is available.
- Compare dashed and non-dashed part-number formats when searching.
- Contact WQC Parts with the part number, model, serial number, and photos when fitment is uncertain.
Why Quality Matters
Incorrect or low-quality replacement parts can lead to premature wear, leaks, downtime, poor fitment, repeat repairs, and damage to related components. Properly matched aftermarket parts help protect machine uptime and reduce avoidable repair cost.
Why Buy from WQC Parts?
- Aftermarket heavy equipment parts organized by part number, system, and machine family.
- Support for alternate part numbers and practical fitment review.
- Clear collection structure for faster product discovery.
- Reliable sourcing focused on keeping equipment working.