Insert, Quick-Connect Plastic 5/16" Female
Quick Overview
- Retainer insert, 5/16" female quick-connect
- Plastic retention lock
- Fits many Racetronix female quick-connect adapters
- Not for FF full-flow adapters
- Spare or replacement part
Show More
$1.89
per EACH (USD)Quick-Connect Retainer Insert, 5/16" Female, Plastic
Plastic retention lock for 5/16" female quick-connect adapters and hose fittings.
The Racetronix QDA-INSERT56 is the plastic retention lock used in many Racetronix 5/16" (8 mm) female quick-connect adapters and hose fittings. It does not fit FF full-flow adapters and fittings.
Key features
- 5/16" female quick-connect retention lock.
- Plastic insert.
- Not compatible with FF full-flow adapters and fittings.
Choosing the size
Quick-connect sizes go by the outside diameter of the male tube end. Measure the tube just behind the raised bead: 1/4" is about 6.4 mm, 5/16" about 7.9 mm (often called 8 mm), 3/8" about 9.5 mm (often called 10 mm) and 1/2" 12.7 mm. A female quick-connect only fits the male size it is made for.
EFI quick-connect adapter chart: all parts
| Part | Quick-connect size | Quick-connect gender | Other end | Other end size | Other end gender | Port | Angle | Retainer |
|---|---|---|---|---|---|---|---|---|
| QDA-14F4CL | 1/4" | Female | AN JIC | -4 | Male | Straight | Crescent lock | |
| QDA-14F6CL | 1/4" | Female | AN JIC | -6 | Male | Straight | Crescent lock | |
| QDA-56F6 | 5/16" | Female | AN JIC | -6 | Male | Straight | Clip | |
| QDA-56F6CL | 5/16" | Female | AN JIC | -6 | Male | Straight | Crescent lock | |
| QDA-56F6MP | 5/16" | Female | AN JIC | -6 | Male | 1/8" NPT | Straight | Crescent lock |
| QDA-56F8CL | 5/16" | Female | AN JIC | -8 | Male | Straight | Crescent lock | |
| QDA-38F10CL | 3/8" | Female | AN JIC | -10 | Male | Straight | Crescent lock | |
| QDA-38F6 | 3/8" | Female | AN JIC | -6 | Male | Straight | Clip | |
| QDA-38F6CL | 3/8" | Female | AN JIC | -6 | Male | Straight | Crescent lock | |
| QDA-38F6P | 3/8" | Female | AN JIC | -6 | Male | 1/8" NPT | Straight | Crescent lock |
| QDA-38F8 | 3/8" | Female | AN JIC | -8 | Male | Straight | Clip | |
| QDA-38F8CL | 3/8" | Female | AN JIC | -8 | Male | Straight | Crescent lock | |
| QDA-38F8P | 3/8" | Female | AN JIC | -8 | Male | 1/8" NPT | Straight | Crescent lock |
| QDA-12F10CL | 1/2" | Female | AN JIC | -10 | Male | Straight | Crescent lock | |
| QDA-12F8CL | 1/2" | Female | AN JIC | -8 | Male | Straight | Crescent lock | |
| QDA-9056F6 | 5/16" | Female | AN JIC | -6 | Male | 90° | Clip | |
| QDA-FF9056F6 | 5/16" | Female | AN JIC | -6 | Male | 90° radius bend | Crescent lock | |
| QDA-FF9056F8 | 5/16" | Female | AN JIC | -8 | Male | 90° radius bend | Crescent lock | |
| QDA-9038F6 | 3/8" | Female | AN JIC | -6 | Male | 90° | Clip | |
| QDA-9038F8 | 3/8" | Female | AN JIC | -8 | Male | 90° | Clip | |
| QDA-FF9038F6 | 3/8" | Female | AN JIC | -6 | Male | 90° radius bend | Crescent lock | |
| QDA-FF9038F8 | 3/8" | Female | AN JIC | -8 | Male | 90° radius bend | Crescent lock | |
| QDA-56F6FCL | 5/16" | Female | AN JIC | -6 | Female | Straight | Crescent lock | |
| QDA-38F8FCL | 3/8" | Female | AN JIC | -8 | Female | Straight | Crescent lock | |
| QDA-56FHB38 | 5/16" | Female | Hose barb | 3/8" | Straight | Plastic insert | ||
| QDA-56FHB56 | 5/16" | Female | Hose barb | 5/16" | Straight | Plastic insert | ||
| QDA-56FHB56CL | 5/16" | Female | Hose barb | 5/16" | Straight | Crescent lock | ||
| QDA-38FHB38 | 3/8" | Female | Hose barb | 3/8" | Straight | Plastic insert | ||
| QDA-38FHB38CL | 3/8" | Female | Hose barb | 3/8" | Straight | Crescent lock | ||
| QDA-38FHB56CL | 3/8" | Female | Hose barb | 5/16" | Straight | Crescent lock | ||
| FIT-T38QDF38 | 3/8" | Female | Tube compression | 3/8" | Straight | |||
| FIT-T38QDF9038 | 3/8" | Female | Tube compression | 3/8" | 90° | |||
| QDA-56F56CL | 5/16" | Female | Quick-connect | 5/16" | Female | Straight | Crescent lock | |
| QDA-38F38CL | 3/8" | Female | Quick-connect | 3/8" | Female | Straight | Crescent lock | |
| QDA-56F56MP | 5/16" | Female | Quick-connect | 5/16" | Male | 1/8" NPT | Straight | Crescent lock |
| QDA-56FM6RFP | 5/16" | Female | Quick-connect | 5/16" | Male | -6 AN ORB | Straight | Plastic insert |
| QDA-38F38MP | 3/8" | Female | Quick-connect | 3/8" | Male | 1/8" NPT | Straight | Crescent lock |
| QDA-38FM8RFP | 3/8" | Female | Quick-connect | 3/8" | Male | -8 AN ORB + 1/8" NPT | Straight | Crescent lock |
| QDA-14M4 | 1/4" | Male | AN JIC | -4 | Male | Straight | ||
| QDA-14M6 | 1/4" | Male | AN JIC | -6 | Male | Straight | ||
| QDA-56M6 | 5/16" | Male | AN JIC | -6 | Male | Straight | ||
| QDA-56M8 | 5/16" | Male | AN JIC | -8 | Male | Straight | ||
| QDA-38M10 | 3/8" | Male | AN JIC | -10 | Male | Straight | ||
| QDA-38M6 | 3/8" | Male | AN JIC | -6 | Male | Straight | ||
| QDA-38M8 | 3/8" | Male | AN JIC | -8 | Male | Straight | ||
| QDA-12M10 | 1/2" | Male | AN JIC | -10 | Male | Straight | ||
| QDA-12M6 | 1/2" | Male | AN JIC | -6 | Male | Straight | ||
| QDA-12M8 | 1/2" | Male | AN JIC | -8 | Male | Straight | ||
| QDA-9056M6 | 5/16" | Male | AN JIC | -6 | Male | 90° | ||
| QDA-9056M8 | 5/16" | Male | AN JIC | -8 | Male | 90° | ||
| QDA-9038M6 | 3/8" | Male | AN JIC | -6 | Male | 90° | ||
| QDA-9038M8 | 3/8" | Male | AN JIC | -8 | Male | 90° | ||
| QDA-38M6F | 3/8" | Male | AN JIC | -6 | Female | Straight | ||
| QDA-38M6FSS | 3/8" | Male | AN JIC | -6 | Female | Straight | ||
| QDA-38M10R | 3/8" | Male | AN ORB | -10 | Male | Straight | ||
| QDA-38M8R | 3/8" | Male | AN ORB | -8 | Male | Straight | ||
| QDA-12M10R | 1/2" | Male | AN ORB | -10 | Male | Straight | ||
| QDA-38M38MPT | 3/8" | Male | NPT | 3/8" | Male | Straight | ||
| QDA-56MB10S | 5/16" | Male | Multi-barb, short | 10 mm | Straight | |||
| QDA-56MB8S | 5/16" | Male | Multi-barb, short | 8 mm | Straight | |||
| QDA-375 | 3/8" | Male | Multi-barb | 10 mm | 90° | |||
| QDA-38MB11E | 3/8" | Male | Multi-barb, extended | 10 mm | Straight | |||
| QDA-38MB11M | 3/8" | Male | Multi-barb, medium | 10 mm | Straight | |||
| QDA-38MB11S | 3/8" | Male | Multi-barb, short | 10 mm | Straight | |||
| QDA-56M56 | 5/16" | Male | Quick-connect | 5/16" | Male | Straight | ||
| QDA-38M38 | 3/8" | Male | Quick-connect | 3/8" | Male | Straight | ||
| QDA-38P | 3/8" | Male | Plug (closed) | Straight | ||||
| QDA-56CL | 5/16" | Female | Crescent lock (retainer only) | |||||
| QDA-38CL | 3/8" | Female | Crescent lock (retainer only) | |||||
| QDA-INSERT56 | 5/16" | Female | Plastic insert (retainer only) | |||||
| QDA-INSERT38 | 3/8" | Female | Plastic insert (retainer only) |
Click a column heading to sort. The highlighted row is this part.
Specifications
| Part number | QDA-INSERT56 |
| Type | Retainer insert |
| Quick-connect | 5/16" female |
| Material | Plastic |
Frequently asked questions
Are retainer inserts available?
Plastic retainer inserts are sold separately: QDA-INSERT56 (5/16") and QDA-INSERT38 (3/8"). They do not fit FF full-flow adapters.
Which other adapters are there?
The chart above lists every EFI quick-connect adapter we stock, with links. Sort it by quick-connect size or by the other end to find the one you need.
Questions and support
Not sure which adapter you need? Email [email protected] with your vehicle, the line sizes and a photo of the connection before you order.
Racetronix provides technical support to verified customers through our support forum, not by phone or email. Please request forum access when you place your order so your account is approved before your parts arrive. The forum is moderated, open 24/7, and holds a knowledge base going back to 1999.
