GM Fuel Line Fittings updated

[Shannen Durphey]

Here is a list of fuel line fittings, adapters, and some
other handy parts for GM EFI conversions.  This list is
primarily for Saginaw (metric O ring type) fittings. This is
updated to add part no's for Earl's fittings and Weatherhead
fittings.

7/4/00 Added part nos. for Motormite/Help fittings.


fuel injection feed and return nut kit GM 1711798
thread sizes are 14mm X 1.5 and 16mm X 1.5

Connector, fuel feed, double female lines   GM 15544805
connects two male 3/8" Saginaw ends
Connector, fuel return, double female lines  GM 15550219
connects two male 5/16" Saginaw ends
Short sections of line, approx2", with metric/quick connect
ends
Pressure: GM#15694407   $10.55 list
                       15609225    short, straight  $2.55
                       15609224    short, u shaped  $3.25
                       15694408     $10.55

These fittings can easily be used with rubber line by using
the quick connect side as a barb.  Be sure to use quality
clamps and hose rated for appropriate pressures.

Stainless steel braided hose, feed and return
15567762  approx. 30"long   $72 list
This line is used on '88 and '89 pickups.  Looks nice and
it's flexible, but spendy.

rubber hoses
22527471 fuel feed, 1 male X 1 female 3/8" ID
22528623 fuel return 1male X 1 male 5/16" ID
10114736 return hose female X female 5/16" ID
10114709 feed hose female X female 3/8" ID
These are hoses which connect between the tank and the
lines.  There are many different versions available, and
they are all model specific.

O rings
22514722 fuel feed
22516256 fuel ret.

Fuel Filters
25055052 or GF 481 (AC) standard efi filter
25055003 or GF 478 (AC) 1983 Camaro with Crossfire (5.0 "S"
engine)  barbed hose end on inlet and 3/8 inv. flare on
outlet
GF626 has same fittings as GF481, is stainless steel (not
polished), and costs less!  Fits 1995 Chevy pickup.
______________________________________________________________________

Motorvac Fittings
 MV0603400: fuel feed m16X1.5 to 3/8" inv. flare $16.50
MV0603304: fuel ret. metric14X1.5 to 5/16" inv. flare $15.04

Available through Snap On Dealer
Motorvac Tech Support (800) 841-8810
(I will use these, and have ordered one of each)
*** Note, it may take an extended amount of time for these fittings to
be shipped by Motorvac. ***
_________________________________________________
Accel Saginaw parts:

JUMPER LINES:
"The kit consists of three 12" long, 3/8" diameter steel
tubes and one 12"
long, 5/16" diameter steel tube with the Saginaw flare used
in stock GM fuel
injection systems.  It allows direct connection to TPI fuel
rails and a high
pressure fuel filter." (one end has Saginaw fitting, other
end is unfinished)

Jumper Line Kit:74731
3/8" Jumper Line Only:74731-A
5/16" Jumper Line Only:74731-B


HOSE BARB FITTING:
3/8 Saginaw/Hose Barb Fitting (2 ea):74720-A
(for both sides of a high pressure fuel filter, e.g. AC
GF481)


FUEL LINE FITTINGS:
"High quality aluminum fittings provide perfect fit to adapt
GM fuel rails
(Saginaw) or high pressure fuel filters with Saginaw flares
to AN-type
fittings."

Fuel Filter Fitting Kit: 3/8 Saginaw to 6AN (2 ea):74721
TPI Fuel Rail Fitting Kit: 3/8 Saginaw to 6AN (1 ea), 5/16
Saginaw to AN (1
ea): 74730


HIGH FLOW FUEL FILTER & PUMP FITTINGS:
"Anodized in a rich gold, these fittings allow the highest
flowrate of any
Saginaw fitting available.  Complete with O-rings, these
fittings now accept
#8AN fuel line."

High Flow Fuel Filter Fitting: 74743-H
High Flow Fuel Pump Fitting: 74711-H
Fuel Filter with 3/8 Saginaw provisions: 74720 (like GF481)
_______________________________________________________________

Weatherhead Fittings

3/8" inverted flare to 14 X 1.5mm    1445
3/8" inverted flare to 16 X 1.5mm    1446
3/8" inverted flare to 18 X 1.5mm    1447

_______________________________________________________________
Earls  (1-800-421-2712)

part no. 
  991954 14mm X 1.5 (return line)
  991955 16mm X 1.5 (pressure line)
  991956 18mm X 1.5 (power steering line)


These fittings adapt to a -6 AN line.
_________________________________________________________________
Motormite/Help fuel line repair kits
approximately 12" long, for pressure and return lines.  Have spring
bender, saginaw end, and parts store type compression fitting.

5/16" line: 55180
3/8" line:  55187
Help parts are available in many parts stores.
_________________________________________________________________

Remember that part numbers and prices often change, that
parts are sometimes discontinued or replaced by "similar"
parts, and that any EFI conversion requires a certain amount
of ingenuity and flexibility.

Fuel feed lines in stock applications are typically 3/8"dia.
and return lines are typically 5/16" dia.
Some EFI conversions use Saginaw type line ends cut from
stock lines and attached to standard steel line with
*quality* compression fittings

The GM fuel fittings have their roots in hydraulic applications,
and shops which make hydraulic hoses may be able to find
Saginaw ends to make custom lines.

Thanks to all who responded.  If anyone has part numbers or
info to add, please E-mail me and I will update this list
when there is enough new info, or when I feel it's time. Thanks.

Shannen Durphey
Shannen at grolen.com
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