Graco 166071 Packing O-Ring
$3.00
In Stock
Genuine OEM seal for select Graco pumps; Buna-N elastomer helps restore leak-free performance. Verify against your model’s parts list before ordering.
- Part: 166071 packing O-ring
- Material: Buna-N (nitrile)
- Fits: Husky 307; select Fire-Ball oil pumps (confirm model/series)
- Use: Seals pump/manifold interface
- Service tip: Depressurize, clean groove, lightly lubricate, then install
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatible Machines
This OEM packing seal is used in the following Graco equipment (verify against your unit’s parts list before ordering):
- Graco Husky 307 air-operated diaphragm pumps (per Graco parts lists)
- Graco Fire-Ball oil pumps (select models referenced in distributor parts catalogs)
Graco 166071 Packing O-Ring
Product Overview
The Graco 166071 Packing O-Ring is a genuine service seal used to prevent fluid/air leakage at critical interfaces in designated Graco pumps. Made for durability and proper fitment in the assemblies noted above.
Key Specs & Materials
| Attribute | Detail |
|---|---|
| Part Number | 166071 |
| Description | Packing O-Ring (seal) |
| Material | Buna-N (nitrile rubber) |
| Typical Location | Seal point within pump/manifold components (refer to model-specific schematic) |
| Supersession | No known supersession at time of publication |
Why Choose OEM
- Correct hardness and chemistry for Graco pump media and pressures
- Consistent dimensions for proper gland/seat fit
- Restores sealing performance and reduces downtime
Installation & Service Tips
- De-pressurize system; isolate air/fluid supplies before service
- Clean groove and mating surfaces; remove debris and old elastomer
- Lightly lubricate with media-compatible grease to ease installation
- Inspect related wear parts (glands, seats, diaphragms/packings) and replace as needed
- Pressure-test after reassembly to verify a leak-free seal
Notes on Compatibility
Compatibility is based on Graco parts manuals and trusted distributor listings. Because series revisions can change sealing components, match your exact model and exploded diagram before purchasing.
Frequently Asked Questions
Check the exploded parts diagram for your pump’s model/series and locate the packing O-ring reference. The reference line should list 166071 for applicable units.
Visible leaks, slow pressure build, air ingress, or fluid weeping at the sealing joint indicate the seal may be worn, nicked, or chemically degraded.
Yes. Temperature, chemical exposure, cycling rate, and storage conditions all affect elastomer life. Inspect during routine maintenance and replace proactively.
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