UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549   FORM 10-K   (Mark One) ☒
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2023 or  ☐
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from
 to 333-229287-01 (Commission file number of Issuing Entity)   NISSAN AUTO RECEIVABLES 2019-B OWNER TRUST (Exact name of issuing entity specified in its charter) Central Index Key Number of issuing entity: 0001775870 333-229287 (Commission file number of Depositor) NISSAN AUTO RECEIVABLES COMPANY LLC II (Exact name of depositor as specified in its charter) Central Index Key Number of depositor: 0001129068 NISSAN MOTOR ACCEPTANCE COMPANY LLC (Exact name of sponsor as specified in its charter) Central Index Key Number of sponsor: 0001540639    DELAWARE

36-7736020(State or other jurisdiction of
incorporation or organization of the Issuing Entity)

(I.R.S. Employer
Identification No.)One Nissan Way, Franklin, Tennessee

37067(Address of principal executive offices)

(Zip Code) Registrants telephone number, including area code (615)
725-1121 Securities registered pursuant to Section 12(b) of the Act: None Securities registered pursuant to Section 12(g) of the Act: None   Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities
Act.    Yes  ☐    No  ☒ Indicate by check mark if the registrant is not required
to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes  ☐    No  ☒ Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90
days.    Yes  ☒    No  ☐ Indicate by check mark whether the registrant has
submitted electronically every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such
shorter period that the registrant was required to submit such files).    Yes  ☒    No  ☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated
filer, a smaller reporting company, or emerging growth company. See the definitions of large accelerated filer, accelerated filer, smaller reporting company, and emerging growth company in Rule 12b-2 of the Exchange Act.:  Large Accelerated Filer:

☐

Accelerated Filer:

☐Non-Accelerated Filer:

☒

Smaller reporting company:

☐Emerging growth company:

☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period
for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐ Indicate by check mark whether the registrant has filed a report on and attestation to its managements assessment of the effectiveness of its internal
control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.  ☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the
Act).    Yes  ☐    No  ☒ State the aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common
equity, as of the last business day of the registrants most recently completed second fiscal quarter. Not applicable. Registrant has no common
equity outstanding held by non-affiliates.




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PART I The following items have been omitted in accordance with General Instructions J(1) to Form 10-K:  (A)
Item 1. Business.  (B)
Item 1A.Risk Factors.  (C)
Item 2. Properties.  (D)
Item 3. Legal Proceedings.  Item 1B.
Unresolved Staff Comments. Nothing to report.  Item 4.
Mine Safety Disclosures. Nothing to report.  2




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PART II The following items have been omitted in accordance with General Instructions J(1) to Form 10-K:  (A)
Item 5. Market for Registrants Common Equity, Related Stockholder Matters and Issuer Purchases of
Equity Securities.  (B)
Item 6. [Reserved]  (C)
Item 7. Managements Discussion and Analysis of Financial Condition and Results of Operations.  (D)
Item 7A. Quantitative and Qualitative Disclosures About Market Risk.  (E)
Item 8. Financial Statements and Supplementary Data.  (F)
Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.  (G)
Item 9A. Controls and Procedures.  Item 9B.
Other Information. Nothing to report.  Item 9C.
Disclosure Regarding Foreign Jurisdictions that Prevent Inspections. Nothing to report. PART
III The following items have been omitted in accordance with General Instructions J(1) to Form 10-K:  (A)
Item 10. Directors, Executive Officers and Corporate Governance.  (B)
Item 11. Executive Compensation.  (C)
Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder
Matters.  (D)
Item 13. Certain Relationships and Related Transactions, and Director Independence.  (E)
Item 14. Principal Accountant Fees and Services.  3




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PART IV  Item 15.
Exhibits and Financial Statement Schedules. (a)(1) Not applicable. (a)(2)
Not applicable. (a)(3) The exhibits filed in response to Item 601 of Regulation S-K are listed in
Item 15(b) below. (b) The exhibits filed in response to Item 601 of Regulation S-K. The following exhibits are filed as part of this annual report or, where indicated, were heretofore filed and are hereby incorporated by reference.  Exhibit No.3.1

Certificate of Conversion to Limited Liability Company of Nissan Auto Receivables Company II LLC (NARC II LLC) (incorporated by reference
to Exhibit 3.1 of Form 8-K, dated April 7, 2021, and filed by NARC II LLC with the Securities and Exchange Commission (the SEC) on April 7, 2021, File No.333-229287-01)3.2

Certificate of Formation of NARC II LLC (incorporated by reference to Exhibit 3.2 of Form 8-K, dated April
 7, 2021, and filed by NARC II LLC with the SEC on April 7, 2021, File No.333-229287-01)3.3

Limited Liability Company Agreement of NARC II LLC, dated as of April 
1, 2021, entered into by Nissan Motor Acceptance Company LLC (NMAC LLC), as the sole equity member, and Kevin P. Burns and Cheryl A. Lawrence, as independent managers (incorporated by reference to Exhibit 3.3 of Form 8-K, dated April 7, 2021, File No.333-229287-01)4.1

Indenture, dated as of May 
28, 2019, by and between the Issuing Entity and U.S. Bank Trust Company, National Association, (successor to U.S. Bank National Association, as indenture trustee, the Indenture Trustee) (incorporated by reference to Exhibit 4.1 of Form 8-K, dated May 29, 2019, File No.333-229287-01)4.2

Amendment to Sale and Servicing Agreements, dated April 
1, 2021, between NARC II LLC and NMAC LLC (incorporated by reference to Exhibit 4.1 of Form 8-K, dated April 
7, 2021, File No.333-229287-01)10.1

Purchase Agreement, dated as of May 
28, 2019, by and between NARC II, as purchaser, and NMAC LLC (successor by conversion to Nissan Motor Acceptance Corporation, NMAC), as seller (incorporated by reference to Exhibit 10.1 of Form 8-K, dated
May 29, 2019, File No.333-229287-01)10.2

Sale and Servicing Agreement, dated as of May 
28, 2019, by and among the Issuing Entity, NARC II, as seller, NMAC, as servicer, and the Indenture Trustee (incorporated by reference to Exhibit 10.2 of Form 8-K, dated May 
29, 2019, File No.333-229287-01)10.3

Administration Agreement, dated as of May 
28, 2019, by and among the Issuing Entity, NMAC, as administrator, the Indenture Trustee and Wilmington Trust, National Association, as owner trustee (the Owner Trustee) (incorporated by reference to Exhibit 10.3 of Form 8-K, dated May 29, 2019, File No.333-229287-01)  4




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10.4

Asset Representations Review Agreement, dated as of May 
28, 2019, by and among the Issuing Entity, NMAC, as sponsor and servicer, and Clayton Fixed Income Services LLC, as asset representations reviewer (incorporated by reference to Exhibit 10.4 of Form 8-K, dated May
 29, 2019, File No.333-229287-01)10.5

Amended and Restated Trust Agreement, dated as of May 
28, 2019, by and between the Depositor and the Owner Trustee (incorporated by reference to Exhibit 10.5 of Form 8-K, dated May 29, 2019, File No.333-229287-01)31.1

Certification of Senior Officer in Charge of the Servicing Function of the Servicer Pursuant to Rule 15d-14(d)33.1

Report on Assessment of Compliance With Applicable Servicing Criteria for Asset-Backed Securities of Nissan Motor Acceptance Company LLC33.2

Managements Assertion on Compliance With Regulation AB (U.S. Bank National Association and U.S. Bank Trust Company, National Association)34.1

Report of Independent Registered Public Accounting Firm (Ernst & Young LLP)34.2

Report of Independent Registered Public Accounting Firm (Ernst & Young LLP)35.1

Servicer Compliance Statement of Nissan Motor Acceptance Company LLC  (c)
Not applicable.  Item 16.
Form 10-K Summary. Not applicable. SUBSTITUTE
INFORMATION PROVIDED IN ACCORDANCE WITH GENERAL INSTRUCTION J(2) TO FORM 10-K: Item 1112(b) of Regulation AB. Significant Obligors of Pool Assets. Nothing to report. Items 1114(b)(2) of
Regulation AB. Credit Enhancement and Other Support, Except for Certain Derivatives Instruments. Nothing to report. Items 1115(b) of Regulation AB. Certain Derivatives Instruments. Nothing to report. Item 1117 of
Regulation AB. Legal Proceedings. Nothing to report. Item 1119 of Regulation AB. Affiliations and Certain Relationships and Related Transactions. Information required by Item 1119 of Regulation AB has been omitted from this report on Form 10-K in
reliance on the Instruction to Item 1119.  5




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Item 1122 of Regulation AB. Compliance with applicable Servicing Criteria. Nissan Motor Acceptance Company LLC (the Servicer) and the Indenture Trustee (collectively, the Servicing Parties)
have each been identified by the registrant as parties participating in the servicing function with respect to the asset pool held by the Issuing Entity. Each of the Servicing Parties has completed a report on an assessment of compliance with the
servicing criteria set forth in paragraph (d) of Item 1122 of Regulation AB applicable to it (each, a Servicing Assessment Report), which Servicing Assessment Reports are attached as exhibits to this Form 10-K. In addition, each of the Servicing Parties has provided an attestation report (each, an Attestation Report) by a registered public accounting firm, which Attestation Reports are also attached as
exhibits to this Form 10-K. None of the Assessment Reports or the related Attestation Reports has identified any material instance of noncompliance with the servicing criteria applicable to the Servicing
Parties. Item 1123 of Regulation AB. Servicer Compliance Statement. The Servicer has provided a statement of compliance for the reporting period, signed by an authorized officer. The Compliance Statement is
attached as an exhibit to this Form 10-K. Supplemental information to be furnished with
Reports Filed Pursuant to Section 15(d) of the Act by Registrants which have not Registered Securities Pursuant to Section 12 of the Act. No annual report, proxy statement, form of proxy or other proxy soliciting material has been sent to securityholders, and the registrant does
not presently contemplate sending any such materials subsequent to the filing of this annual report on Form 10-K.  6




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SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.  NISSAN AUTO RECEIVABLES 2019-B OWNER TRUSTBy:

Nissan Motor Acceptance Company LLC, Servicer
  By:

/s/ Kevin J. CullumKevin J. CullumPresident and Chief Executive Officer(senior officer in charge of servicing function)
 Date: June 29, 2023  S-1