Oil Filter By-pass adapters
Many installations, particularly oil cooler installations, require the oil filter to be relocated. Earl's has bypass Adapters for most spin–on and many bolt–on applications.
Oil Filter By–Pass Adapter 0.75 in. – 16 Thread Size .5 in. NPT Female Cast Most Ford, Chrysler, Toyota, Nissan & V–W vehicles with spin–on filter.
All ports are 1/2" NPT Female unless otherwise noted.
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| Part No |
Thread |
Port Size |
O-Ring O.D |
O-Ring Cross Section |
| 1177 |
3/4-16 |
1/2NPT |
2-3/4"(69.2mm) |
.139 |
| Typical Applications - Most Ford, Chrysler, Toyota, Nissan & V–W vehicles with spin–on filter. |
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| Part No |
Thread |
Port Size |
O-Ring O.D |
O-Ring Cross Section |
| 1178 |
3/4-16 |
1/2NPT |
2-3/4"(69.2mm) |
.139 |
| Typical Applications - Most Ford, Chrysler, Toyota, Nissan & V–W vehicles with spin–on filter. |
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| Part No |
Thread |
Port Size |
O-Ring O.D |
O-Ring Cross Section |
| 1277 |
13/16-16 |
1/2NPT |
2-3/4" & 3-3/8"
(inner 69.2mm)(outer85mm) |
.139 |
| Typical Applications - Most General Motors and American Motors vehicles with spin–on filter. |
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| Part No |
Thread |
Port Size |
|
| 1377 |
1/4-20 & 5/16-18 Bolts |
1/2NPT |
Bolt On (Chevy) |
| Chevrolet V8 without spin-on filter. (includes both bolt sizes and supercedes 1477) |
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| Part No |
Thread |
Port Size |
O-Ring O.D |
O-Ring Cross Section |
| 1577 |
18mm x 1.5 |
1/2NPT |
2-3/4"
inner 69.2mm |
.139 |
| Chevrolet V8 without spin-on filter. (includes both bolt sizes and supercedes 1477) |
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|
|
|
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| Part No |
Thread |
Port Size |
O-Ring O.D |
O-Ring Cross Section |
| 1578 |
18mm x 1.5 |
1/2NPT |
2-3/4"
inner 69.2mm |
.139 |
| Chevrolet V8 without spin-on filter. (includes both bolt sizes and supercedes 1477) |
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| Part No |
Thread |
Port Size |
| 1677 |
Bolt-On(VW) |
3/8NPT |
| Typical Applications - VW Type 1 and 2 3/ 8 NPT Ports |
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| Part No |
Thread |
Port Size |
| 1777 |
Bolt-On(VW) |
1/8 NPT |
| Typical Applications - VW Type 1 and 2 3/ 8 NPT Ports |
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| Part No |
Thread |
Port Size |
O-Ring O.D |
O-Ring Cross Section |
| 1877 |
22mm x 1.5 |
1/2NPT |
2-3/4"
inner 69.2mm |
.139 |
| Typical Applications - Many Honda and Acura vehicles. Some Ford |
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| Part No |
Thread |
Port Size |
O-Ring O.D |
O-Ring Cross Section |
| 1977 |
20mm x 1.5 |
1/2NPT |
2-3/4"
inner 69.2mm |
.139 |
| Typical Applications - Many Honda and Acura vehicles. Some Ford |
