This is an authentic Husqvarna replacement part that has been sourced from the original manufacturer to be used with chainsaws and brushcutters. The diaphragm is part of the carburetor and is used to move fuel through the fuel system by using changes in pressure along the system. This item is available as an individual replacement part.
Pump Diaphragm 502254701
OEM part for: Husqvarna, Jonsered
Part Number: 502254701
$6.62
In Stock
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Frequently Purchased Together ?
Compatibility
This part will fit the following 309 machines
Husqvarna
42 (1988-10) Chainsaw View Diagrams & Manuals
42 (1992-03) Chainsaw View Diagrams & Manuals
42 (1994-04) Chainsaw View Diagrams & Manuals
42 (1994-12) Chainsaw View Diagrams & Manuals
44 (1984-01) Chainsaw View Diagrams & Manuals
44 (1985-05) Chainsaw View Diagrams & Manuals
44 (1985-11) Chainsaw View Diagrams & Manuals
44 (1986-05) Chainsaw View Diagrams & Manuals
44 (1987-01) Chainsaw View Diagrams & Manuals
44 (1988-08) Chainsaw View Diagrams & Manuals
357 XP (2007-03) Chainsaw View Diagrams & Manuals
357 XP (EPA) (2006-02) Chainsaw View Diagrams & Manuals
357 XP (EPA) (2003-04) Chainsaw View Diagrams & Manuals
357 XP (EPA) (2004-05) Chainsaw View Diagrams & Manuals
357 XP (EPA) (2005-02) Chainsaw View Diagrams & Manuals
357 XP (EPA) (2007-03) Chainsaw View Diagrams & Manuals
359 (2001-01) Chainsaw View Diagrams & Manuals
359 (2003-04) Chainsaw View Diagrams & Manuals
359 (2004-05) Chainsaw View Diagrams & Manuals
359 (2005-02) Chainsaw View Diagrams & Manuals
359 (2006-02) Chainsaw View Diagrams & Manuals
359 (2007-03) Chainsaw View Diagrams & Manuals
359 EPA (2006-02) Chainsaw View Diagrams & Manuals
359 EPA (2001-10) Chainsaw View Diagrams & Manuals
359 EPA (2003-04) Chainsaw View Diagrams & Manuals
359 EPA (2004-05) Chainsaw View Diagrams & Manuals
359 EPA (2005-02) Chainsaw View Diagrams & Manuals
359 EPA (2007-03) Chainsaw View Diagrams & Manuals
362 (1999-05) Chainsaw View Diagrams & Manuals
362 (1999-11) Chainsaw View Diagrams & Manuals
362 (2003-10) Chainsaw View Diagrams & Manuals
362 (2005-05) Chainsaw View Diagrams & Manuals
362 (2007-01) Chainsaw View Diagrams & Manuals
362 EPA (2007-01) Chainsaw View Diagrams & Manuals
362 EPA (1999-11) Chainsaw View Diagrams & Manuals
362 EPA (2001-10) Chainsaw View Diagrams & Manuals
362 EPA (2003-10) Chainsaw View Diagrams & Manuals
362 EPA (2005-05) Chainsaw View Diagrams & Manuals
362 XP (2005-05) Chainsaw View Diagrams & Manuals
365 (2003-11) Chainsaw View Diagrams & Manuals
365 (2005-05) Chainsaw View Diagrams & Manuals
365 EPA (2002-01) Chainsaw View Diagrams & Manuals
365 EPA (2003-11) Chainsaw View Diagrams & Manuals
365 EPA (2005-05) Chainsaw View Diagrams & Manuals
365 EPA (2007-03) Chainsaw View Diagrams & Manuals
371 (1996-03) Chainsaw View Diagrams & Manuals
371 (1996-09) Chainsaw View Diagrams & Manuals
371 (1997-12) Chainsaw View Diagrams & Manuals
371 (1999-05) Chainsaw View Diagrams & Manuals
371 EPA (1997-12) Chainsaw View Diagrams & Manuals
371 EPA (1999-05) Chainsaw View Diagrams & Manuals
371 K (2003-08) Chainsaw View Diagrams & Manuals
371 K EPA (2003-08) Chainsaw View Diagrams & Manuals
372 (1999-11) Chainsaw View Diagrams & Manuals
372 (2003-10) Chainsaw View Diagrams & Manuals
372 (2005-05) Chainsaw View Diagrams & Manuals
372 (2007-01) Chainsaw View Diagrams & Manuals
372 EPA (2007-01) Chainsaw View Diagrams & Manuals
372 EPA (1999-11) Chainsaw View Diagrams & Manuals
372 EPA (2001-10) Chainsaw View Diagrams & Manuals
372 EPA (2003-10) Chainsaw View Diagrams & Manuals
372 EPA (2005-05) Chainsaw View Diagrams & Manuals
372 XPW EPA (2007-01) Chainsaw View Diagrams & Manuals
375 K (2003-08) Chainsaw View Diagrams & Manuals
375 K EPA (2003-08) Chainsaw View Diagrams & Manuals
340 (2001-09) Chainsaw View Diagrams & Manuals
340 (2004-03) Chainsaw View Diagrams & Manuals
340 EPA (1999-09) Chainsaw View Diagrams & Manuals
340 EPA (2003-01) Chainsaw View Diagrams & Manuals
340 EPA (2004-03) Chainsaw View Diagrams & Manuals
345 (2001-09) Chainsaw View Diagrams & Manuals
345 (2004-03) Chainsaw View Diagrams & Manuals
345 EPA (2003-01) Chainsaw View Diagrams & Manuals
345 EPA (2004-03) Chainsaw View Diagrams & Manuals
346 XP (1999-01) Chainsaw View Diagrams & Manuals
346 XP (2001-06) Chainsaw View Diagrams & Manuals
350 (1998-02) Chainsaw View Diagrams & Manuals
350 (2001-09) Chainsaw View Diagrams & Manuals
350 (2004-03) Chainsaw View Diagrams & Manuals
350 EPA (1999-09) Chainsaw View Diagrams & Manuals
350 EPA (2003-01) Chainsaw View Diagrams & Manuals
350 EPA (2004-03) Chainsaw View Diagrams & Manuals
351 (2001-06) Chainsaw View Diagrams & Manuals
351 EPA (1999-09) Chainsaw View Diagrams & Manuals
357 (2001-01) Chainsaw View Diagrams & Manuals
357 EPA (2001-10) Chainsaw View Diagrams & Manuals
357 XP (2003-04) Chainsaw View Diagrams & Manuals
357 XP (2004-05) Chainsaw View Diagrams & Manuals
357 XP (2005-02) Chainsaw View Diagrams & Manuals
357 XP (2006-02) Chainsaw View Diagrams & Manuals
238 (1985-11) Chainsaw View Diagrams & Manuals
238 (1986-02) Chainsaw View Diagrams & Manuals
238 (1986-10) Chainsaw View Diagrams & Manuals
238 (1987-04) Chainsaw View Diagrams & Manuals
242 (1987-06) Chainsaw View Diagrams & Manuals
242 (1989-05) Chainsaw View Diagrams & Manuals
242 (1990-01) Chainsaw View Diagrams & Manuals
242 (1994-04) Chainsaw View Diagrams & Manuals
242 (1998-05) Chainsaw View Diagrams & Manuals
242 (1998-06) Chainsaw View Diagrams & Manuals
246 (1994-12) Chainsaw View Diagrams & Manuals
254 (1986-04) Chainsaw View Diagrams & Manuals
254 (1987-01) Chainsaw View Diagrams & Manuals
254 (1990-05) Chainsaw View Diagrams & Manuals
254 (1992-10) Chainsaw View Diagrams & Manuals
254 (1994-06) Chainsaw View Diagrams & Manuals
254 (1996-01) Chainsaw View Diagrams & Manuals
254 (1998-03) Chainsaw View Diagrams & Manuals
254 (2001-09) Chainsaw View Diagrams & Manuals
257 (1994-06) Chainsaw View Diagrams & Manuals
257 (1996-01) Chainsaw View Diagrams & Manuals
257 (1998-03) Chainsaw View Diagrams & Manuals
257 (2001-09) Chainsaw View Diagrams & Manuals
261 EPA (1998-03) Chainsaw View Diagrams & Manuals
261 EPA (1999-06) Chainsaw View Diagrams & Manuals
262 (1990-03) Chainsaw View Diagrams & Manuals
262 (1991-03) Chainsaw View Diagrams & Manuals
262 (1992-11) Chainsaw View Diagrams & Manuals
262 (1994-06) Chainsaw View Diagrams & Manuals
262 (1996-01) Chainsaw View Diagrams & Manuals
133 (1980-10) Chainsaw View Diagrams & Manuals
133 (1981-12) Chainsaw View Diagrams & Manuals
154 (1983-05) Chainsaw View Diagrams & Manuals
154 (1983-11) Chainsaw View Diagrams & Manuals
154 (1984-10) Chainsaw View Diagrams & Manuals
154 (1985-08) Chainsaw View Diagrams & Manuals
234 (1983-01) Chainsaw View Diagrams & Manuals
234 (1984-04) Chainsaw View Diagrams & Manuals
238 (1984-01) Chainsaw View Diagrams & Manuals
238 (1985-05) Chainsaw View Diagrams & Manuals
250 PS (1994-02) Pruning Saw View Diagrams & Manuals
250 PS (1996-02) Pruning Saw View Diagrams & Manuals
PS 50 (1991-12) Pruning Saw View Diagrams & Manuals
371 K (2000-02) Power Cutter View Diagrams & Manuals
371 K (2005-05) Power Cutter View Diagrams & Manuals
371 K EPA (1999-04) Power Cutter View Diagrams & Manuals
371 K EPA (2002-01) Power Cutter View Diagrams & Manuals
371 K EPA (2005-05) Power Cutter View Diagrams & Manuals
375 K (2005-05) Power Cutter View Diagrams & Manuals
375 K EPA (2005-05) Power Cutter View Diagrams & Manuals
H140B (1995-07) Backpack Blower View Diagrams & Manuals
H140B (1996-03) Backpack Blower View Diagrams & Manuals
250R (1994-10) Brushcutter View Diagrams & Manuals
250R (1995-10) Brushcutter View Diagrams & Manuals
250R (1997-08) Brushcutter View Diagrams & Manuals
250R (2001-05) Brushcutter View Diagrams & Manuals
250R (2006-01) Brushcutter View Diagrams & Manuals
250RX (1994-10) Brushcutter View Diagrams & Manuals
250RX (1995-10) Brushcutter View Diagrams & Manuals
250RX (1997-08) Brushcutter View Diagrams & Manuals
252RX (1999-04) Brushcutter View Diagrams & Manuals
252RX (1997-08) Brushcutter View Diagrams & Manuals
252RX (2001-05) Brushcutter View Diagrams & Manuals
252RX (2002-08) Brushcutter View Diagrams & Manuals
252RX (2006-01) Brushcutter View Diagrams & Manuals
345EPA (1999-09) Chainsaw View Diagrams & Manuals
262XP Chainsaw View Diagrams & Manuals
140 B (1996-03) Blower View Diagrams & Manuals
140 B (1995-07) Blower View Diagrams & Manuals
365 H (2018-04) From Chain Saw View Diagrams & Manuals
365 H (2017-11) From Chain Saw View Diagrams & Manuals
365 H (2017-10) From Chain Saw View Diagrams & Manuals
365 H (2017-06) From Chain Saw View Diagrams & Manuals
365 H (2016-10) From Chain Saw View Diagrams & Manuals
365 H (2013-12) From Chain Saw View Diagrams & Manuals
365 H (2011-05) Chain Saw View Diagrams & Manuals
365 H (2010-05) Chain Saw View Diagrams & Manuals
371 XP (1997-12) Epa Chain Saw View Diagrams & Manuals
371 XP (1996-09) Chain Saw View Diagrams & Manuals
371 XP (1996-03) Chain Saw View Diagrams & Manuals
371 XP (1995-12) Chain Saw View Diagrams & Manuals
261 (1998-03) Epa, Usa Only View Diagrams & Manuals
261 (1999-06) Epa Chain Saw View Diagrams & Manuals
250 R EPA (20023100001-20145399999) Brushcutter View Diagrams & Manuals
250 R EPA (20011800001-20023100000) Brushcutter View Diagrams & Manuals
252 RX EPA (20011800001-20023100000) Brushcutter View Diagrams & Manuals
357 XP EPA (20041800001-20050600000) Chainsaw View Diagrams & Manuals
357 XP EPA (20014000001-20041800000) Chainsaw View Diagrams & Manuals
362 XP SPECIAL EPA (20070100001-Current) Chainsaw View Diagrams & Manuals
362 XP SPECIAL EPA (20051800001-20070100000) Chainsaw View Diagrams & Manuals
362 XP SPECIAL EPA (20034000001-20051800000) Chainsaw View Diagrams & Manuals
362 XP SPECIAL EPA (19994500001-20014000000) Chainsaw View Diagrams & Manuals
362 XP SPECIAL (20070100001-Current) Chainsaw View Diagrams & Manuals
362 XP SPECIAL (20034000001-20051800000) Chainsaw View Diagrams & Manuals
362 XP SPECIAL (20014000001-20034000000) Chainsaw View Diagrams & Manuals
362 XP SPECIAL (19994500001-20014000000) Chainsaw View Diagrams & Manuals
365SP (20184800001-20193899999) Chainsaw View Diagrams & Manuals
365SP (20174300001-20180299999) Chainsaw View Diagrams & Manuals
365SP (20134700001-20163899999) Chainsaw View Diagrams & Manuals
365 SPECIAL EPA (20070900001-20101800000) Chainsaw View Diagrams & Manuals
365 SPECIAL EPA (20051800001-20070900000) Chainsaw View Diagrams & Manuals
365 SPECIAL EPA (20020100001-20034400000) Chainsaw View Diagrams & Manuals
365 SPECIAL (20101800001-20111800000) Chainsaw View Diagrams & Manuals
365 SPECIAL (20051800001-20070900000) Chainsaw View Diagrams & Manuals
371 XP EPA (19974900001-19991800000) Chainsaw View Diagrams & Manuals
372 XP EPA (20014000001-20034000000) Chainsaw View Diagrams & Manuals
372 XP EPA (19994500001-20014000000) Chainsaw View Diagrams & Manuals
Jonsered
RS40 (1990-02) Brushcutter View Diagrams & Manuals
RS40 (1991-09) Brushcutter View Diagrams & Manuals
RS40 (1992-05) Brushcutter View Diagrams & Manuals
RS40 (1993-05) Brushcutter View Diagrams & Manuals
RS51 (1990-06) Brushcutter View Diagrams & Manuals
RS51 (1991-09) Brushcutter View Diagrams & Manuals
RS51 (1992-05) Brushcutter View Diagrams & Manuals
RS51 (1993-05) Brushcutter View Diagrams & Manuals
RS51 (1994-06) Brushcutter View Diagrams & Manuals
RS51 (1995-03) Brushcutter View Diagrams & Manuals
RS51 (1996-03) Brushcutter View Diagrams & Manuals
RS51 (1998-03) Brushcutter View Diagrams & Manuals
RS52 (1999-04) Brushcutter View Diagrams & Manuals
RS52 (2001-05) Brushcutter View Diagrams & Manuals
RS52 (2002-08) Brushcutter View Diagrams & Manuals
RS52 (2006-07) Brushcutter View Diagrams & Manuals
RS52 - EPA (2001-05) Brushcutter View Diagrams & Manuals
RS52 - EPA (2002-08) Brushcutter View Diagrams & Manuals
2051 (1993-05) Chain Saw View Diagrams & Manuals
2054 (1993-05) Chain Saw View Diagrams & Manuals
2054 (1993-08) Chain Saw View Diagrams & Manuals
2054 (1994-10) Chain Saw View Diagrams & Manuals
2054 (1996-02) Chain Saw View Diagrams & Manuals
2054 (1996-09) Chain Saw View Diagrams & Manuals
2054 (1998-10) Chain Saw View Diagrams & Manuals
2054 (2000-05) Chain Saw View Diagrams & Manuals
2054 EPA (2000-05) Chain Saw View Diagrams & Manuals
2055 (1994-05) Chain Saw View Diagrams & Manuals
2055 (1994-10) Chain Saw View Diagrams & Manuals
2055 (1996-02) Chain Saw View Diagrams & Manuals
2055 (1996-09) Chain Saw View Diagrams & Manuals
2055 (1998-10) Chain Saw View Diagrams & Manuals
2055 (2000-05) Chain Saw View Diagrams & Manuals
2063 (1998-04) Chain Saw View Diagrams & Manuals
2063 (1999-03) Chain Saw View Diagrams & Manuals
2063 EPA (1999-03) Chain Saw View Diagrams & Manuals
2071 (1997-02) Chain Saw View Diagrams & Manuals
2071 (1997-11) Chain Saw View Diagrams & Manuals
2071 (1998-04) Chain Saw View Diagrams & Manuals
2071 (1999-03) Chain Saw View Diagrams & Manuals
2071 EPA (1999-03) Chain Saw View Diagrams & Manuals
2071 W (1997-02) Chain Saw View Diagrams & Manuals
2071 W (1997-11) Chain Saw View Diagrams & Manuals
2071 W (1998-04) Chain Saw View Diagrams & Manuals
2141 (2000-08) Chain Saw View Diagrams & Manuals
2141 (2001-09) Chain Saw View Diagrams & Manuals
2145 (2000-08) Chain Saw View Diagrams & Manuals
2145 (2001-09) Chain Saw View Diagrams & Manuals
2149 (1999-05) Chain Saw View Diagrams & Manuals
2149 (2001-09) Chain Saw View Diagrams & Manuals
2150 (2000-08) Chain Saw View Diagrams & Manuals
2150 (2001-09) Chain Saw View Diagrams & Manuals
2159 (2001-07) Chain Saw View Diagrams & Manuals
2159 EPA (2001-07) Chain Saw View Diagrams & Manuals
2163 (2000-04) Chain Saw View Diagrams & Manuals
2163 (2001-10) Chain Saw View Diagrams & Manuals
2163 EPA (2000-04) Chain Saw View Diagrams & Manuals
2163 EPA (2001-10) Chain Saw View Diagrams & Manuals
2165 (2002-01) Chain Saw View Diagrams & Manuals
2165 EPA (2002-01) Chain Saw View Diagrams & Manuals
2171 (2000-04) Chain Saw View Diagrams & Manuals
2171 (2001-10) Chain Saw View Diagrams & Manuals
2171 EPA (2000-04) Chain Saw View Diagrams & Manuals
2171 EPA (2001-10) Chain Saw View Diagrams & Manuals
CS2141 (2003-01) Chain Saw View Diagrams & Manuals
CS2141 (2004-03) Chain Saw View Diagrams & Manuals
CS2141 EPA (2004-03) Chain Saw View Diagrams & Manuals
CS2145 (2003-01) Chain Saw View Diagrams & Manuals
CS2145 (2004-03) Chain Saw View Diagrams & Manuals
CS2145 EPA (2004-03) Chain Saw View Diagrams & Manuals
CS2150 (2003-01) Chain Saw View Diagrams & Manuals
CS2150 (2004-03) Chain Saw View Diagrams & Manuals
CS2150 EPA (2004-03) Chain Saw View Diagrams & Manuals
CS2156 (2003-11) Chain Saw View Diagrams & Manuals
CS2156 (2004-05) Chain Saw View Diagrams & Manuals
CS2156 (2005-02) Chain Saw View Diagrams & Manuals
CS2156 (2006-02) Chain Saw View Diagrams & Manuals
CS2156 (2007-03) Chain Saw View Diagrams & Manuals
CS2156 EPA (2004-05) Chain Saw View Diagrams & Manuals
CS2156 EPA (2005-02) Chain Saw View Diagrams & Manuals
CS2156 EPA (2006-02) Chain Saw View Diagrams & Manuals
CS2156 EPA I (2003-11) Chain Saw View Diagrams & Manuals
CS2159 (2003-11) Chain Saw View Diagrams & Manuals
CS2159 (2004-05) Chain Saw View Diagrams & Manuals
CS2159 (2005-02) Chain Saw View Diagrams & Manuals
CS2159 (2006-02) Chain Saw View Diagrams & Manuals
CS2159 (2007-03) Chain Saw View Diagrams & Manuals
CS2159 EPA (2004-05) Chain Saw View Diagrams & Manuals
CS2159 EPA (2005-02) Chain Saw View Diagrams & Manuals
CS2159 EPA (2006-02) Chain Saw View Diagrams & Manuals
CS2159 EPA I (2003-11) Chain Saw View Diagrams & Manuals
CS2163 (2003-05) Chain Saw View Diagrams & Manuals
CS2163 (2005-05) Chain Saw View Diagrams & Manuals
CS2163 (2007-01) Chain Saw View Diagrams & Manuals
CS2163 EPA (2003-05) Chain Saw View Diagrams & Manuals
CS2163 EPA (2005-05) Chain Saw View Diagrams & Manuals
CS2163 EPA (2007-01) Chain Saw View Diagrams & Manuals
CS2165 (2003-06) Chain Saw View Diagrams & Manuals
CS2165 (2005-05) Chain Saw View Diagrams & Manuals
CS2165 (2007-03) Chain Saw View Diagrams & Manuals
CS2165 (2010-05) Chain Saw View Diagrams & Manuals
CS2165 (2011-05) Chain Saw View Diagrams & Manuals
CS2165 EPA (2003-06) Chain Saw View Diagrams & Manuals
CS2165 EPA (2005-05) Chain Saw View Diagrams & Manuals
CS2171 (2003-05) Chain Saw View Diagrams & Manuals
CS2171 (2005-05) Chain Saw View Diagrams & Manuals
CS2171 (2007-01) Chain Saw View Diagrams & Manuals
CS2171 (2010-05) Chain Saw View Diagrams & Manuals
CS2171 (2011-05) Chain Saw View Diagrams & Manuals
CS2171 EPA (2003-05) Chain Saw View Diagrams & Manuals
CS2171 EPA (2005-05) Chain Saw View Diagrams & Manuals
CS2171 EPA (2007-01) Chain Saw View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Chain Saw Parts
- Saw Parts
- Blower Parts
- Trimmer Parts
This part replaces obsolete part #: 501667201
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Very good quality parts, fast delivery! Thanks!
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
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