UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

____________________

FORM 8-K
CURRENT REPORT

Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (date of earliest event reported):

April 15, 2004

Nissan Auto Receivables Corporation II
on behalf of Nissan Auto Receivables 2003-B Owner Trust

(Exact name of registrant as specified in its charter)

Delaware	333-87970-03	45-6127521
(State or other Jurisdiction of incorporation)	(Commission Registration Number)	(I.R.S. Employer Identification Number)

990 WEST 190TH STREET
TORRANCE, CALIFORNIA 90502

___________________________________

(Address of principal executive office)

Registrant's telephone number, including area code: (310) 719-8583

Item 5. Other Events.

On April 15, 2004, the principal and interest collected during the preceding calendar month, net of certain adjustments as provided for in the Sale and Servicing Agreement, dated as of June 17, 2003 (the "Agreement"), among Nissan Auto Receivables 2003-B Owner Trust, as Issuer, Nissan Auto Receivables Corporation II, as Seller, and Nissan Motor Acceptance Corporation, as Servicer, were distributed to the holders of notes ("Noteholders") issued by Nissan Auto Receivables 2003-B Owner Trust. In accordance with the Agreement, the Servicer's Certificate, as defined in the Agreement, was furnished to the Indenture Trustee (as defined in the Agreement) for the benefit of the Noteholders. A copy of the Servicer's Certificate is being filed as Exhibit 20.1 to this Current Report on Form 8-K.

Item 7(c).	Financial Statements, Pro Forma Financial Information and Exhibits .
	(a) Not applicable.
	(b) Not applicable.
	(c) Exhibits
	The exhibit number corresponds with Item 601(a) of Regulation S-K.

	Exhibit No .	Description
	20.1	Servicer's Certificate for the month of March 2004

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on behalf of the undersigned thereunto duly authorized.

NISSAN AUTO RECEIVABLES 2003-B OWNER TRUST
By:	Nissan Auto Receivables Corporation II

By:	____/s/___Joji Tagawa ____________________
	Name: Title:	Joji Tagawa Treasurer

April 22, 2004

EXHIBIT INDEX

Exhibit No.	Description	Sequentially Numbered Page
20.1	Servicer's Certificate for the month of March 2004	5

Exhibit 20.1

Nissan Auto Receivables 2003-B

Servicer's Certificate

For the month of March 2004

NAR 2003-B

Collection Period	Mar-04			30/360 Days	30
Distribution Date	15-Apr-04			Actual/360 Days	31


	Coupon Rate	Initial Balance	Beginning Balance	Ending Balance	Pool Factor
Total Portfolio		1,292,234,072.29	967,225,925.14	925,357,135.79	0.716091
Total Securities		1,292,234,072.29	967,225,925.14	925,357,135.79	0.716091
Class A-1 Notes	1.16875%	333,000,000.00	7,991,852.85	0.00	0.000000
Class A-2 Notes	1.20000%	222,000,000.00	222,000,000.00	190,518,735.87	0.858193
Class A-3 Notes	1.51000%	450,000,000.00	450,000,000.00	450,000,000.00	1.000000
Class A-4 Notes	2.05000%	219,400,000.00	219,400,000.00	219,400,000.00	1.000000
Certificates	0.00000%	67,834,072.29	67,834,072.29	65,438,399.92	0.964683


	Principal Payment	Interest Payment	Principal per $1000 Face Amount	Interest per $1000 Face Amount
Class A-1 Notes	41,868,789.35	8,043.19	125.7321002	0.0241537
Class A-2 Notes	0.00	222,000.00	-	1.0000000
Class A-3 Notes	0.00	566,250.00	-	1.2583333
Class A-4 Notes	0.00	374,808.33	-	1.7083333
Certificates	0.00	0.00	-	-
Total Securities	41,868,789.35	1,171,101.52


I. COLLECTIONS

Interest:
Interest Collections				3,297,291.82
Repurchased Loan Proceeds Related to Interest				0.00
Total Interest Collections				3,297,291.82

Principal:
Principal Collections				40,708,921.32
Repurchased Loan Proceeds Related to Principal				0.00
Total Principal Collections				40,708,921.32

Recoveries of Defaulted Receivables				697,155.66
Investment Earnings on Yield Supplement Account				4,803.10
Release from the Yield Supplement Account				494,471.42
Servicer Advances				309,738.82

Total Collections				45,512,382.14

II. COLLATERAL POOL BALANCE DATA
			Number	Amount
Pool Balance - Beginning of Period			63,183	967,225,925.14
Total Principal Collections				40,708,921.32
Principal Amount of Gross Losses				1,159,868.03
			62,099	925,357,135.79

III. DISTRIBUTIONS

Total Collections				45,512,382.14
Reserve Account Draw				0.00
Total Available for Distribution				45,512,382.14

1. Reimbursement of Advance				441,512.70

2. Servicing Fee:
Servicing Fee Due				806,021.60
Servicing Fee Paid				806,021.60
Servicing Fee Shortfall				0.00

3. Interest:
Class A-1 Notes Monthly Interest
Class A-1 Notes Interest Carryover Shortfall				0.00
Class A-1 Notes Interest on Interest Carryover Shortfall				0.00
Class A-1 Notes Monthly Interest Distributable Amount				8,043.19

Class A-1 Notes Monthly Interest Paid				8,043.19
Change in Class A-1 Notes Interest Carryover Shortfall				0.00

Class A-2 Notes Monthly Interest
Class A-2 Notes Interest Carryover Shortfall				0.00
Class A-2 Notes Interest on Interest Carryover Shortfall				0.00
Class A-2 Notes Monthly Interest Distributable Amount				222,000.00

Class A-2 Notes Monthly Interest Paid				222,000.00
Change in Class A-2 Notes Interest Carryover Shortfall				0.00

Class A-3 Notes Monthly Interest
Class A-3 Notes Interest Carryover Shortfall				0.00
Class A-3 Notes Interest on Interest Carryover Shortfall				0.00
Class A-3 Notes Monthly Interest Distributable Amount				566,250.00

Class A-3 Notes Monthly Interest Paid				566,250.00
Change in Class A-3 Notes Interest Carryover Shortfall				0.00

Class A-4 Notes Monthly Interest
Class A-4 Notes Interest Carryover Shortfall				0.00
Class A-4 Notes Interest on Interest Carryover Shortfall				0.00
Class A-4 Notes Monthly Interest Distributable Amount				374,808.33

Class A-4 Notes Monthly Interest Paid				374,808.33
Change in Class A-4 Notes Interest Carryover Shortfall				0.00

Total Note Monthly Interest
Total Note Monthly Interest Due				1,171,101.52
Total Note Monthly Interest Paid				1,171,101.52
Total Note Interest Carryover Shortfall				0.00
Change in Total Note Interest Carryover Shortfall				0.00

Total Available for Principal Distribution				43,093,746.31

4. Total Monthly Principal Paid on the Notes				41,868,789.35

Total Noteholders' Principal Carryover Shortfall				0.00
Total Noteholders' Principal Distributable Amount				41,868,789.35
Change in Total Noteholders' Principal Carryover Shortfall				0.00

5. Total Monthly Principal Paid on the Certificates				0.00

Total Certificateholders' Principal Carryover Shortfall				0.00
Total Certificateholders' Principal Distributable Amount				2,395,672.37
Change in Total Certificateholders' Principal Carryover Shortfall				0.00

Remaining Available Collections				1,224,956.96
Deposit from Remaining Available Collections to fund Reserve Account				0.00
Remaining Available Collections Released to Seller				1,224,956.96

IV. YIELD SUPPLEMENT ACCOUNT

Beginning Yield Supplement Account Balance				6,290,202.84
Release to Collection Account				494,471.42
Ending Yield Supplement Account Balance				5,795,731.42



V. RESERVE ACCOUNT

Initial Reserve Account Amount				6,461,170.36
Required Reserve Account Amount				6,461,170.36
Beginning Reserve Account Balance				6,461,170.36
Ending Reserve Account Balance				6,461,170.36

Reserve Account Triggers			Test Ratio	Actual Ratio	Result
Average Three Period Delinquency Percentage			2.00%	0.23%	Pass
Average Three Period Charge Off Rate			2.75%	0.75%	Pass

Required Reserve Account Amount for Next Period				6,461,170.36

VI. POOL STATISTICS

Weighted Average Coupon				3.95%
Weighted Average Remaining Maturity				41.84

Principal Recoveries of Defaulted Receivables				697,155.66
Principal on Defaulted Receivables				1,159,868.03
Pool Balance at Beginning of Collection Period				967,225,925.14
Net Loss Ratio				0.57%

Net Loss Ratio for Second Preceding Collection Period				0.82%
Net Loss Ratio for Preceding Collection Period				0.85%
Net Loss Ratio for Current Collection Period				0.57%
Average Net Loss Ratio				0.75%

Cumulative Net Losses for all Periods				5,456,564.91

Delinquent Receivables:			Amount	Number
31-60 Days Delinquent			8,071,349.73	475
61-90 Days Delinquent			1,762,500.55	101
91-120 Days Delinquent			344,190.40	24
Total Delinquent Receivables:			10,178,040.68	600
60+ Days Delinquencies as Percentage of Receivables			0.23%	0.20%

Delinquency Ratio for Second Preceding Collection Period				0.27%
Delinquency Ratio for Preceding Collection Period				0.23%
Delinquency Ratio for Current Collection Period				0.20%
Average Delinquency Ratio				0.23%

NISSAN AUTO RECEIVABLES 2003-B OWNER TRUST 8-K